diff --git a/output.c b/output.c
index e937bc7..ad872dc 100644
--- a/output.c
+++ b/output.c
@@ -56,6 +56,8 @@ output_enable(struct cg_output *output)
 	wlr_output_enable(wlr_output, true);
 	wlr_output_commit(wlr_output);
 
+	output->usable_area = *wlr_output_layout_get_box(output->server->output_layout, wlr_output);
+
 	struct wlr_scene_output *scene_output;
 	wl_list_for_each (scene_output, &output->server->scene->outputs, link) {
 		if (scene_output->output == wlr_output) {
diff --git a/output.h b/output.h
index ffd349c..9aaf0cf 100644
--- a/output.h
+++ b/output.h
@@ -4,6 +4,7 @@
 #include <wayland-server-core.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_output_damage.h>
+#include <wlr/util/box.h>
 
 #include "server.h"
 #include "view.h"
@@ -20,6 +21,7 @@ struct cg_output {
 	struct cg_server *server;
 	struct wlr_output *wlr_output;
 	struct wlr_scene_output *scene_output;
+	struct wlr_box usable_area;
 
 	struct wl_listener commit;
 	struct wl_listener mode;