diff --git a/dwl.c b/dwl.c
index 9021e44..a82e84f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -657,8 +657,8 @@ checkidleinhibitor(struct wlr_surface *exclude)
 	wl_list_for_each(inhibitor, &idle_inhibit_mgr->inhibitors, link) {
 		struct wlr_surface *surface = wlr_surface_get_root_surface(inhibitor->surface);
 		struct wlr_scene_tree *tree = surface->data;
-		if (exclude != surface && (bypass_surface_visibility || (!tree
-				|| wlr_scene_node_coords(&tree->node, &unused_lx, &unused_ly)))) {
+		if (exclude != surface && (bypass_surface_visibility || (tree
+				&& wlr_scene_node_coords(&tree->node, &unused_lx, &unused_ly)))) {
 			inhibited = 1;
 			break;
 		}