diff --git a/src/shell-global-private.h b/src/shell-global-private.h
index 613250060..c965bf128 100644
--- a/src/shell-global-private.h
+++ b/src/shell-global-private.h
@@ -5,6 +5,7 @@
 #include "shell-global.h"
 
 #include <gjs/gjs.h>
+#include <X11/Xlib.h>
 
 #include "shell-app-cache-private.h"