diff --git a/desktop-shell/exposay.c b/desktop-shell/exposay.c
index b641340..ea2a375 100644
--- a/desktop-shell/exposay.c
+++ b/desktop-shell/exposay.c
@@ -566,7 +566,7 @@
 	shell->exposay.clicked = NULL;
 	wl_list_init(&shell->exposay.surface_list);
 
-	lower_fullscreen_layer(shell);
+	lower_fullscreen_layer(shell, NULL);
 	shell->exposay.grab_kbd.interface = &exposay_kbd_grab;
 	weston_keyboard_start_grab(seat->keyboard,
 	                           &shell->exposay.grab_kbd);