diff --git a/include/osg/Drawable b/include/osg/Drawable
index 8ed6c5654..49e315c33 100644
--- a/include/osg/Drawable
+++ b/include/osg/Drawable
@@ -53,7 +53,7 @@
 #endif
 
 
-#ifndef GL_EXT_timer_query
+#if !defined(GL_EXT_timer_query) && !defined(OSG_GL3_AVAILABLE)
     #ifdef _WIN32
         typedef          __int64 GLint64EXT;
         typedef unsigned __int64 GLuint64EXT;