diff --git a/Source/Bind/Specifications/GL2/enumext.spec b/Source/Bind/Specifications/GL2/enumext.spec
index 8db0a713..acc73255 100644
--- a/Source/Bind/Specifications/GL2/enumext.spec
+++ b/Source/Bind/Specifications/GL2/enumext.spec
@@ -7937,4 +7937,15 @@ GetPName enum:
 # ARB_draw_elements_base_vertex tokens
 # http://www.opengl.org/registry/specs/ARB/draw_elements_base_vertex.txt
 
+# VertexAttribIPointerType (see OpenGL 3.2 reference card)
+# Note: the underscore is there to avoid changing IPointer to Ipointer.
+VertexAttribI_PointerType enum:
+	use DataType BYTE
+	use DataType UNSIGNED_BYTE
+	use DataType SHORT
+	use DataType UNSIGNED_SHORT
+	use DataType INT
+	use DataType UNSIGNED_INT
+
+
 # End (don't remove, or the last token may be removed!)
diff --git a/Source/Bind/Specifications/GL2/gloverrides.xml b/Source/Bind/Specifications/GL2/gloverrides.xml
index e9321d3d..85a04912 100644
--- a/Source/Bind/Specifications/GL2/gloverrides.xml
+++ b/Source/Bind/Specifications/GL2/gloverrides.xml
@@ -247,7 +247,7 @@
     </function>
 
     <function name="VertexAttribIPointer" extension="Core">
-      <param name="type"><type>VertexAttribParameter</type></param>
+      <param name="type"><type>VertexAttribIPointerType</type></param>
     </function>
 
     <function name="BeginConditionalRender" extension="Core">
diff --git a/Source/OpenTK/Graphics/OpenGL/GL.cs b/Source/OpenTK/Graphics/OpenGL/GL.cs
index 7daffdf8..b7a7afdf 100644
--- a/Source/OpenTK/Graphics/OpenGL/GL.cs
+++ b/Source/OpenTK/Graphics/OpenGL/GL.cs
@@ -80549,7 +80549,7 @@ namespace OpenTK.Graphics.OpenGL
 
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] ref T4 pointer)
+        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] ref T4 pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80559,7 +80559,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
                 pointer = (T4)pointer_ptr.Target;
             }
             finally
@@ -80573,7 +80573,7 @@ namespace OpenTK.Graphics.OpenGL
 
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[,,] pointer)
+        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[,,] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80583,7 +80583,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80596,7 +80596,7 @@ namespace OpenTK.Graphics.OpenGL
 
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[,] pointer)
+        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[,] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80606,7 +80606,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80619,7 +80619,7 @@ namespace OpenTK.Graphics.OpenGL
 
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[] pointer)
+        void VertexAttribIPointer<T4>(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80629,7 +80629,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80642,13 +80642,13 @@ namespace OpenTK.Graphics.OpenGL
 
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, IntPtr pointer)
+        void VertexAttribIPointer(Int32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, IntPtr pointer)
         {
             #if DEBUG
             using (new ErrorHelper(GraphicsContext.CurrentContext))
             {
             #endif
-            Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer);
+            Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer);
             #if DEBUG
             }
             #endif
@@ -80657,7 +80657,7 @@ namespace OpenTK.Graphics.OpenGL
         [System.CLSCompliant(false)]
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] ref T4 pointer)
+        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] ref T4 pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80667,7 +80667,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
                 pointer = (T4)pointer_ptr.Target;
             }
             finally
@@ -80682,7 +80682,7 @@ namespace OpenTK.Graphics.OpenGL
         [System.CLSCompliant(false)]
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[,,] pointer)
+        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[,,] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80692,7 +80692,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80706,7 +80706,7 @@ namespace OpenTK.Graphics.OpenGL
         [System.CLSCompliant(false)]
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[,] pointer)
+        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[,] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80716,7 +80716,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80730,7 +80730,7 @@ namespace OpenTK.Graphics.OpenGL
         [System.CLSCompliant(false)]
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, [InAttribute, OutAttribute] T4[] pointer)
+        void VertexAttribIPointer<T4>(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, [InAttribute, OutAttribute] T4[] pointer)
             where T4 : struct
         {
             #if DEBUG
@@ -80740,7 +80740,7 @@ namespace OpenTK.Graphics.OpenGL
             GCHandle pointer_ptr = GCHandle.Alloc(pointer, GCHandleType.Pinned);
             try
             {
-                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
+                Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer_ptr.AddrOfPinnedObject());
             }
             finally
             {
@@ -80754,13 +80754,13 @@ namespace OpenTK.Graphics.OpenGL
         [System.CLSCompliant(false)]
         [AutoGenerated(Category = "Version30", Version = "3.0", EntryPoint = "glVertexAttribIPointer")]
         public static 
-        void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, IntPtr pointer)
+        void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, IntPtr pointer)
         {
             #if DEBUG
             using (new ErrorHelper(GraphicsContext.CurrentContext))
             {
             #endif
-            Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribParameter)type, (Int32)stride, (IntPtr)pointer);
+            Delegates.glVertexAttribIPointer((UInt32)index, (Int32)size, (OpenTK.Graphics.OpenGL.VertexAttribIPointerType)type, (Int32)stride, (IntPtr)pointer);
             #if DEBUG
             }
             #endif
diff --git a/Source/OpenTK/Graphics/OpenGL/GLCore.cs b/Source/OpenTK/Graphics/OpenGL/GLCore.cs
index 98bd9f26..44481ec0 100644
--- a/Source/OpenTK/Graphics/OpenGL/GLCore.cs
+++ b/Source/OpenTK/Graphics/OpenGL/GLCore.cs
@@ -5339,7 +5339,7 @@ namespace OpenTK.Graphics.OpenGL
             internal extern static unsafe void VertexAttribI4usvEXT(UInt32 index, UInt16* v);
             [System.Security.SuppressUnmanagedCodeSecurity()]
             [System.Runtime.InteropServices.DllImport(GL.Library, EntryPoint = "glVertexAttribIPointer", ExactSpelling = true)]
-            internal extern static void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, IntPtr pointer);
+            internal extern static void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, IntPtr pointer);
             [System.Security.SuppressUnmanagedCodeSecurity()]
             [System.Runtime.InteropServices.DllImport(GL.Library, EntryPoint = "glVertexAttribIPointerEXT", ExactSpelling = true)]
             internal extern static void VertexAttribIPointerEXT(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.NvVertexProgram4 type, Int32 stride, IntPtr pointer);
diff --git a/Source/OpenTK/Graphics/OpenGL/GLDelegates.cs b/Source/OpenTK/Graphics/OpenGL/GLDelegates.cs
index e41d10b9..442e664d 100644
--- a/Source/OpenTK/Graphics/OpenGL/GLDelegates.cs
+++ b/Source/OpenTK/Graphics/OpenGL/GLDelegates.cs
@@ -5337,7 +5337,7 @@ namespace OpenTK.Graphics.OpenGL
             internal unsafe delegate void VertexAttribI4usvEXT(UInt32 index, UInt16* v);
             internal unsafe static VertexAttribI4usvEXT glVertexAttribI4usvEXT;
             [System.Security.SuppressUnmanagedCodeSecurity()]
-            internal delegate void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribParameter type, Int32 stride, IntPtr pointer);
+            internal delegate void VertexAttribIPointer(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.VertexAttribIPointerType type, Int32 stride, IntPtr pointer);
             internal static VertexAttribIPointer glVertexAttribIPointer;
             [System.Security.SuppressUnmanagedCodeSecurity()]
             internal delegate void VertexAttribIPointerEXT(UInt32 index, Int32 size, OpenTK.Graphics.OpenGL.NvVertexProgram4 type, Int32 stride, IntPtr pointer);
diff --git a/Source/OpenTK/Graphics/OpenGL/GLEnums.cs b/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
index 014e1c07..79d48f6c 100644
--- a/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
+++ b/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
@@ -11884,6 +11884,16 @@ namespace OpenTK.Graphics.OpenGL
         TimeoutIgnored = unchecked((int)0xFFFFFFFFFFFFFFFF),
     }
 
+    public enum VertexAttribIPointerType : int
+    {
+        Byte = ((int)0x1400),
+        UnsignedByte = ((int)0x1401),
+        Short = ((int)0x1402),
+        UnsignedShort = ((int)0x1403),
+        Int = ((int)0x1404),
+        UnsignedInt = ((int)0x1405),
+    }
+
     public enum VertexAttribParameter : int
     {
         ArrayEnabled = ((int)0x8622),