diff --git a/Source/Bind/Specifications/GLES10/functions.xml b/Source/Bind/Specifications/GLES10/functions.xml
index ac67e92a..5f7079ff 100644
--- a/Source/Bind/Specifications/GLES10/functions.xml
+++ b/Source/Bind/Specifications/GLES10/functions.xml
@@ -204,8 +204,8 @@
     <returns type="void" />
     <param type="GLenum" name="pname" />
     <param type="GLint" name="*params" />
-  </function><function name="ubyte" extension="Core" version="1.0" category="">
-    <returns type="const" />
+  </function><function name="GetString" extension="Core" version="1.0" category="">
+    <returns type="GLubyte*" />
     <param type="GLenum" name="name" />
   </function><function name="Hint" extension="Core" version="1.0" category="">
     <returns type="void" />
diff --git a/Source/Bind/Specifications/GLES11/functions.xml b/Source/Bind/Specifications/GLES11/functions.xml
index 0410b243..2500e475 100644
--- a/Source/Bind/Specifications/GLES11/functions.xml
+++ b/Source/Bind/Specifications/GLES11/functions.xml
@@ -498,8 +498,8 @@
     <param type="GLenum" name="pname" />
     <param type="void" name="**params" />
   </function>
-  <function name="ubyte" extension="Core" version="1.1" category="Common, Lite">
-    <returns type="const" />
+  <function name="GetString" extension="Core" version="1.1" category="Common, Lite">
+    <returns type="GLubyte*" />
     <param type="GLenum" name="name" />
   </function>
   <function name="GetTexEnviv" extension="Core" version="1.1" category="Common, Lite">
diff --git a/Source/Bind/Specifications/GLES20/functions.xml b/Source/Bind/Specifications/GLES20/functions.xml
index 9d771c1c..e43eccfd 100644
--- a/Source/Bind/Specifications/GLES20/functions.xml
+++ b/Source/Bind/Specifications/GLES20/functions.xml
@@ -400,8 +400,8 @@
     <param type="GLsizei*" name="length" />
     <param type="char*" name="source" />
   </function>
-  <function name="ubyte*" extension="Core" version="2.0" category="">
-    <returns type="const" />
+  <function name="GetString" extension="Core" version="2.0" category="">
+    <returns type="GLubyte*" />
     <param type="GLenum" name="name" />
   </function>
   <function name="GetTexParameterfv" extension="Core" version="2.0" category="">