diff --git a/Source/Bind/Specifications/GL2/gloverrides.xml b/Source/Bind/Specifications/GL2/gloverrides.xml
index 9e7a7efe..3597214c 100644
--- a/Source/Bind/Specifications/GL2/gloverrides.xml
+++ b/Source/Bind/Specifications/GL2/gloverrides.xml
@@ -1819,6 +1819,7 @@
       <token name="TRANSFORM_FEEDBACK_BUFFER_BINDING" value="0x8C8F" />
       <token name="TRANSFORM_FEEDBACK_BUFFER_SIZE" value="0x8C85" />
       <token name="TRANSFORM_FEEDBACK_BUFFER_START" value="0x8C84" />
+      <use enum="VERSION_1_1" token="COLOR_WRITEMASK" />
       <use enum="VERSION_4_1" token="SCISSOR_BOX" />
       <use enum="VERSION_4_1" token="VIEWPORT" />
       <use enum="VERSION_4_1" token="DEPTH_RANGE" />
diff --git a/Source/OpenTK/Graphics/OpenGL/GLEnums.cs b/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
index cad97c78..c83d77d0 100644
--- a/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
+++ b/Source/OpenTK/Graphics/OpenGL/GLEnums.cs
@@ -31000,6 +31000,10 @@ namespace OpenTK.Graphics.OpenGL
         /// </summary>
         ScissorBox = ((int)0x0C10)        ,
         /// <summary>
+        /// Original was GL_COLOR_WRITEMASK = 0x0C23
+        /// </summary>
+        ColorWritemask = ((int)0x0C23)        ,
+        /// <summary>
         /// Original was GL_UNIFORM_BUFFER_BINDING = 0x8A28
         /// </summary>
         UniformBufferBinding = ((int)0x8A28)        ,