diff --git a/core/Migrations/Version28000Date20230803221055.php b/core/Migrations/Version28000Date20230803221055.php
index 3aaf4f19431..799eb15e06e 100644
--- a/core/Migrations/Version28000Date20230803221055.php
+++ b/core/Migrations/Version28000Date20230803221055.php
@@ -54,9 +54,8 @@ class Version28000Date20230803221055 extends SimpleMigrationStep {
 
 			if (!$table->hasIndex('tp_tasks_uid_appid_ident')) {
 				$table->addIndex(['user_id', 'app_id', 'identifier'], 'tp_tasks_uid_appid_ident');
+				$changed = true;
 			}
-
-			$changed = true;
 		}
 
 		if ($changed) {