diff --git a/tests/utils/postgres/connector_test.py b/tests/utils/postgres/connector_test.py
index 1e80985..f8d8218 100644
--- a/tests/utils/postgres/connector_test.py
+++ b/tests/utils/postgres/connector_test.py
@@ -19,12 +19,18 @@ def test_init_db():
         "aki_prj23_transparenzregister.utils.postgres.connector.get_engine"
     ) as mock_get_engine, patch(
         "aki_prj23_transparenzregister.utils.postgres.connector.declarative_base"
-    ) as mock_declarative_base:
+    ) as mock_declarative_base, patch(
+        "aki_prj23_transparenzregister.utils.postgres.connector.JsonFileConfigProvider"
+    ) as mock_provider:
         mock_get_engine.connect.return_value = {}
 
         mock_value = Mock()
         mock_value.metadata.create_all.return_value = None
         mock_declarative_base.return_value = mock_value
 
+        mock_value = Mock()
+        mock_provider.return_value = mock_value
+        mock_value.get_postgre_connection_string.return_value = ""
+
         init_db()
         assert True