diff --git a/dwl.c b/dwl.c
index 85edb9d..2baa659 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1152,10 +1152,12 @@ Monitor *
 dirtomon(enum wlr_direction dir)
 {
 	struct wlr_output *next;
-	if ((next = wlr_output_layout_adjacent_output(output_layout,
+	if (wlr_output_layout_get(output_layout, selmon->wlr_output)
+			&& (next = wlr_output_layout_adjacent_output(output_layout,
 			dir, selmon->wlr_output, selmon->m.x, selmon->m.y)))
 		return next->data;
-	if ((next = wlr_output_layout_farthest_output(output_layout,
+	if (wlr_output_layout_get(output_layout, selmon->wlr_output)
+			&& (next = wlr_output_layout_farthest_output(output_layout,
 			dir ^ (WLR_DIRECTION_LEFT|WLR_DIRECTION_RIGHT),
 			selmon->wlr_output, selmon->m.x, selmon->m.y)))
 		return next->data;