diff --git a/core/Listener/AddMissingIndicesListener.php b/core/Listener/AddMissingIndicesListener.php
index f1d93218a41..78e85e4127a 100644
--- a/core/Listener/AddMissingIndicesListener.php
+++ b/core/Listener/AddMissingIndicesListener.php
@@ -223,5 +223,13 @@ class AddMissingIndicesListener implements IEventListener {
 			['user', 'mountpoint'],
 			['lengths' => [null, 128]]
 		);
+
+		$event->replaceIndex(
+			'mounts',
+			['mounts_user_root_path_index'],
+			'mounts_user_path_root_index',
+			['user_id', 'mount_point_hash', 'root_id'],
+			true,
+		);
 	}
 }
diff --git a/core/Migrations/Version33000Date20251209123503.php b/core/Migrations/Version33000Date20251209123503.php
index 1a9cdc44343..d5bb4f15105 100644
--- a/core/Migrations/Version33000Date20251209123503.php
+++ b/core/Migrations/Version33000Date20251209123503.php
@@ -42,7 +42,7 @@ class Version33000Date20251209123503 extends SimpleMigrationStep {
 			if ($table->hasIndex('mounts_user_root_path_index')) {
 				$table->dropIndex('mounts_user_root_path_index');
 			}
-			$table->addUniqueIndex(['user_id', 'root_id', 'mount_point_hash'], 'mounts_user_root_path_index');
+			$table->addUniqueIndex(['user_id', 'mount_point_hash', 'root_id'], 'mounts_user_path_root_index');
 			return $schema;
 		}