diff --git a/Source/Examples/Tutorial/T02_Vertex_Arrays.cs b/Source/Examples/Tutorial/T02_Vertex_Arrays.cs
index 03e081cb..a6878462 100644
--- a/Source/Examples/Tutorial/T02_Vertex_Arrays.cs
+++ b/Source/Examples/Tutorial/T02_Vertex_Arrays.cs
@@ -160,7 +160,7 @@ namespace Examples.Tutorial
             GL.Rotate(angle, 0.0f, 1.0f, 0.0f);
 
             GL.DrawElements(BeginMode.Triangles, shape.Indices.Length,
-                All.UnsignedInt, shape.Indices);
+                DrawElementsType.UnsignedInt, shape.Indices);
 
             //GL.Begin(GL.Enums.BeginMode.TRIANGLES);
 
diff --git a/Source/Examples/Tutorial/T08_VBO.cs b/Source/Examples/Tutorial/T08_VBO.cs
index a1fd98aa..5900e78b 100644
--- a/Source/Examples/Tutorial/T08_VBO.cs
+++ b/Source/Examples/Tutorial/T08_VBO.cs
@@ -168,7 +168,7 @@ namespace Examples.Tutorial
             //GL.TexCoordPointer(2, TexCoordPointerType.Float, vector2_size, (IntPtr)vector2_size);
             GL.VertexPointer(3, VertexPointerType.Float, Vector3.SizeInBytes, IntPtr.Zero);
 
-            GL.DrawElements(BeginMode.Triangles, handle.NumElements, All.UnsignedInt, IntPtr.Zero);
+            GL.DrawElements(BeginMode.Triangles, handle.NumElements, DrawElementsType.UnsignedInt, IntPtr.Zero);
             //GL.DrawArrays(BeginMode.LineLoop, 0, vbo.element_count);
 
             GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
diff --git a/Source/Examples/Tutorial/T10_GLSL_Cube.cs b/Source/Examples/Tutorial/T10_GLSL_Cube.cs
index 51ae22fa..4e0cd67d 100644
--- a/Source/Examples/Tutorial/T10_GLSL_Cube.cs
+++ b/Source/Examples/Tutorial/T10_GLSL_Cube.cs
@@ -240,7 +240,7 @@ namespace Examples.Tutorial
             GL.BindBuffer(BufferTarget.ElementArrayBuffer, element_buffer_object);
 
             GL.DrawElements(BeginMode.Triangles, shape.Indices.Length,
-                All.UnsignedInt, IntPtr.Zero);
+                DrawElementsType.UnsignedInt, IntPtr.Zero);
 
             //GL.DrawArrays(GL.Enums.BeginMode.POINTS, 0, shape.Vertices.Length);