diff --git a/src/event.c b/src/event.c
index 7b9d17d4..9369437d 100644
--- a/src/event.c
+++ b/src/event.c
@@ -1412,7 +1412,7 @@ doWindozeCycle(WWindow *wwin, XEvent *event, Bool next)
 	    }
 	}
     }
-    XFree(keymap);
+    XFreeModifierMap(keymap);
 
     XUngrabKeyboard(dpy, CurrentTime);
     wSetFocusTo(scr, newFocused);