1 files changed, 2 insertions, 0 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index 876fc87c..6bd5204c 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -188,6 +188,8 @@ static void ipc_json_describe_view(swayc_t *c, json_object *object) {
         json_object_object_add(object, "window", json_object_new_int(c->handle)); // for the sake of i3 compat
         json_object_object_add(props, "class", c->class ? json_object_new_string(c->class) :
                 c->app_id ? json_object_new_string(c->app_id) : NULL);
+        json_object_object_add(props, "instance", c->instance ? json_object_new_string(c->instance) :
+                c->app_id ? json_object_new_string(c->app_id) : NULL);
         json_object_object_add(props, "title", (c->name) ? json_object_new_string(c->name) : NULL);
         json_object_object_add(props, "transient_for", parent ? json_object_new_int(parent) : NULL);
         json_object_object_add(object, "window_properties", props);