diff --git a/src/x11/meta-x11-keybindings.c b/src/x11/meta-x11-keybindings.c
index 477d653cc..fce90eb05 100644
--- a/src/x11/meta-x11-keybindings.c
+++ b/src/x11/meta-x11-keybindings.c
@@ -17,6 +17,8 @@
 
 /* Grab/ungrab, ignoring all annoying modifiers like NumLock etc. */
 
+#include "config.h"
+
 #include "meta-x11-keybindings-private.h"
 
 static GArray *