diff --git a/lib/kwinglutils.h b/lib/kwinglutils.h
index 58e03b13cb..54313e6db2 100644
--- a/lib/kwinglutils.h
+++ b/lib/kwinglutils.h
@@ -14,16 +14,13 @@ License. See the file "COPYING" for the exact licensing terms.
 #include <config-X11.h> // HAVE_OPENGL
 
 #ifdef HAVE_OPENGL
-#include <GL/gl.h>
-#include <GL/glx.h>
-#include <fixx11h.h>
+#include <kwinglutils_funcs.h>
 
 #include <QPixmap>
 
 #include <QImage>
 #include <QSize>
 
-#include <kwinglutils_funcs.h>
 
 
 template< class K, class V > class QHash;
diff --git a/lib/kwinglutils_funcs.h b/lib/kwinglutils_funcs.h
index c81c4c6fc1..dab665b381 100644
--- a/lib/kwinglutils_funcs.h
+++ b/lib/kwinglutils_funcs.h
@@ -19,6 +19,17 @@ License. See the file "COPYING" for the exact licensing terms.
 
 #ifdef HAVE_OPENGL
 
+// gcc-3.3.3 apparently cannot resolve KWin's namespaced versions properly,
+// so hide possible global functions
+#define glXQueryDrawable kwinhide_glXQueryDrawable
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+#undef glXQueryDrawable
+
+#include <fixx11h.h>
+
 namespace KWin
 {
 
diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index ab4ed58a39..6e21a54ac6 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -766,8 +766,8 @@ void SceneOpenGL::Texture::discard()
 void SceneOpenGL::Texture::findTarget()
     {
     unsigned int new_target = 0;
-    if( tfp_mode && KWin::glXQueryDrawable && bound_glxpixmap != None )
-        KWin::glXQueryDrawable( display(), bound_glxpixmap, GLX_TEXTURE_TARGET_EXT, &new_target );
+    if( tfp_mode && glXQueryDrawable && bound_glxpixmap != None )
+        glXQueryDrawable( display(), bound_glxpixmap, GLX_TEXTURE_TARGET_EXT, &new_target );
     else
         {
         if( NPOTTextureSupported() ||