diff --git a/tests/unit/test_services_extensions.py b/tests/unit/test_services_extensions.py
index 682dd598b..03e405526 100644
--- a/tests/unit/test_services_extensions.py
+++ b/tests/unit/test_services_extensions.py
@@ -62,6 +62,9 @@ async def test_install_extension_creates_new_extension_and_starts_background_wor
         "lnbits.core.services.extensions.start_extension_background_work",
         mocker.AsyncMock(return_value=True),
     )
+    mocker.patch(
+        "lnbits.core.services.extensions.core_app_extra.register_new_ext_routes"
+    )
     mocker.patch(
         "lnbits.core.services.extensions.get_db_version",
         mocker.AsyncMock(return_value=0),
@@ -112,6 +115,9 @@ async def test_install_extension_updates_existing_upgrade_and_preserves_payments
         "lnbits.core.services.extensions.stop_extension_background_work",
         mocker.AsyncMock(return_value=True),
     )
+    mocker.patch(
+        "lnbits.core.services.extensions.core_app_extra.register_new_ext_routes"
+    )
     mocker.patch(
         "lnbits.core.services.extensions.get_db_version",
         mocker.AsyncMock(return_value=1),