diff --git a/opengl/libs/tools/glapigen b/opengl/libs/tools/glapigen
index bd8dda3..9be40cf 100755
--- a/opengl/libs/tools/glapigen
+++ b/opengl/libs/tools/glapigen
@@ -43,6 +43,9 @@
   if ($name eq "glEGLImageTargetRenderbufferStorageOES") {
     $prefix = "__";
   }
+  if ($name eq "glGetString") {
+    $prefix = "__";
+  }
   
   printf("%s API_ENTRY(%s%s)(%s)", $type, $prefix, $name, $args);