diff --git a/openbox/action.c b/openbox/action.c
index 5237936e..f1066979 100644
--- a/openbox/action.c
+++ b/openbox/action.c
@@ -20,6 +20,7 @@
 #include "debug.h"
 #include "client.h"
 #include "focus.h"
+#include "focus_cycle.h"
 #include "moveresize.h"
 #include "menu.h"
 #include "prop.h"