diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 1ba0580111..5bd9b6991a 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -4756,7 +4756,7 @@ Route::set_name (const string& str)
 		 */
 
 		if (_main_outs) {
-			if (_main_outs->set_name (newname)) {
+			if (!_main_outs->set_name (newname)) {
 				/* XXX returning false here is stupid because
 				   we already changed the route name.
 				*/