diff --git a/dwl.c b/dwl.c
index fa8c8ae..8d32c08 100644
--- a/dwl.c
+++ b/dwl.c
@@ -643,8 +643,8 @@ buttonpress(struct wl_listener *listener, void *data)
 	struct wlr_pointer_button_event *event = data;
 	struct wlr_keyboard *keyboard;
 	uint32_t mods;
-	Client *c;
-	LayerSurface *l;
+	Client *c = NULL;
+	LayerSurface *l = NULL;
 	const Button *b;
 
 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);