diff --git a/libkwineffects/kwinglplatform.cpp b/libkwineffects/kwinglplatform.cpp
--- a/libkwineffects/kwinglplatform.cpp
+++ b/libkwineffects/kwinglplatform.cpp
@@ -19,6 +19,7 @@
 *********************************************************************/
 
 #include "kwinglplatform.h"
+#include "kwinglutils_funcs.h"
 #include <epoxy/gl.h>
 
 #include <QRegExp>