diff --git a/Xext/geext.h b/Xext/geext.h
index 5f82f0f6d..3c3deca4d 100644
--- a/Xext/geext.h
+++ b/Xext/geext.h
@@ -32,6 +32,8 @@ from the author.
 
 #ifndef _GEEXT_H_
 #define _GEEXT_H_
+
+#include <X11/Xfuncproto.h>
 #include <X11/extensions/geproto.h>
 
 /* Interface for other extensions */