diff --git a/backend/src/test/java/org/raddatz/familienarchiv/MigrationIntegrationTest.java b/backend/src/test/java/org/raddatz/familienarchiv/MigrationIntegrationTest.java
index cf576dee..a01682ab 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/MigrationIntegrationTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/MigrationIntegrationTest.java
@@ -433,14 +433,16 @@ class MigrationIntegrationTest {
     @Transactional(propagation = Propagation.NOT_SUPPORTED)
     void v64_rejectsDuplicateGroupPermission() {
         UUID groupId = createUserGroup("DuplicateTestGroup-" + UUID.randomUUID());
-        jdbc.update("INSERT INTO group_permissions (group_id, permission) VALUES (?, 'READ_ALL')", groupId);
+        try {
+            jdbc.update("INSERT INTO group_permissions (group_id, permission) VALUES (?, 'READ_ALL')", groupId);
 
-        assertThatThrownBy(() ->
-                jdbc.update("INSERT INTO group_permissions (group_id, permission) VALUES (?, 'READ_ALL')", groupId)
-        ).isInstanceOf(DataIntegrityViolationException.class);
-
-        jdbc.update("DELETE FROM group_permissions WHERE group_id = ?", groupId);
-        jdbc.update("DELETE FROM user_groups WHERE id = ?", groupId);
+            assertThatThrownBy(() ->
+                    jdbc.update("INSERT INTO group_permissions (group_id, permission) VALUES (?, 'READ_ALL')", groupId)
+            ).isInstanceOf(DataIntegrityViolationException.class);
+        } finally {
+            jdbc.update("DELETE FROM group_permissions WHERE group_id = ?", groupId);
+            jdbc.update("DELETE FROM user_groups WHERE id = ?", groupId);
+        }
     }
 
     // ─── V65: tbmp UNIQUE promoted to PRIMARY KEY ─────────────────────────────