diff --git a/kfax/kfax.cpp b/kfax/kfax.cpp
index ac2b055c..df0c8864 100644
--- a/kfax/kfax.cpp
+++ b/kfax/kfax.cpp
@@ -74,6 +74,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
+#include <X11/XKBlib.h>
 #include <X11/keysym.h>
 #include <X11/keysymdef.h>
 #include <X11/cursorfont.h>