diff --git a/clutter/cogl/clutter-backend-cogl.c b/clutter/cogl/clutter-backend-cogl.c
index b6881c8bd..f54776e34 100644
--- a/clutter/cogl/clutter-backend-cogl.c
+++ b/clutter/cogl/clutter-backend-cogl.c
@@ -55,6 +55,8 @@
 #include "clutter-cex100.h"
 #endif
 
+#include <cogl/cogl-xlib.h>
+
 static ClutterBackendCogl *backend_singleton = NULL;
 
 static gchar *clutter_vblank = NULL;
diff --git a/clutter/x11/clutter-backend-x11.c b/clutter/x11/clutter-backend-x11.c
index ab1cde264..bacf96700 100644
--- a/clutter/x11/clutter-backend-x11.c
+++ b/clutter/x11/clutter-backend-x11.c
@@ -59,6 +59,7 @@
 #endif
 
 #include <cogl/cogl.h>
+#include <cogl/cogl-xlib.h>
 
 #include "clutter-backend.h"
 #include "clutter-debug.h"