diff --git a/kernel/sy_old/mars_main.c b/kernel/sy_old/mars_main.c
index 03df6527..6762d56a 100644
--- a/kernel/sy_old/mars_main.c
+++ b/kernel/sy_old/mars_main.c
@@ -580,6 +580,7 @@ struct mars_rotate {
 	int relevant_serial;
 	int replay_code;
 	int avoid_count;
+	int old_open_count;
 	bool has_symlinks;
 	bool is_attached;
 	bool res_shutdown;
@@ -4177,6 +4178,11 @@ done:
 		rot->if_brick && !rot->if_brick->power.led_off;	
 	_show_primary(rot, parent);
 
+	if (open_count != rot->old_open_count) {
+		rot->old_open_count = open_count;
+		mars_remote_trigger();
+	}
+
 err:
 	return status;
 }