diff --git a/doomgeneric/doomgeneric_xlib.c b/doomgeneric/doomgeneric_xlib.c
index 96d35aa..8401d91 100644
--- a/doomgeneric/doomgeneric_xlib.c
+++ b/doomgeneric/doomgeneric_xlib.c
@@ -11,6 +11,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
+#include <X11/XKBlib.h>
 
 static Display *s_Display = NULL;
 static Window s_Window = NULL;