diff --git a/src/MainWidget.cpp b/src/MainWidget.cpp
index 1571a1a..d1b0111 100644
--- a/src/MainWidget.cpp
+++ b/src/MainWidget.cpp
@@ -25,6 +25,7 @@
 
 #include <X11/extensions/XTest.h>
 #include <X11/Xlib.h>
+#include <X11/XKBlib.h>
 #include <X11/keysym.h>
 #include <X11/keysymdef.h>