diff --git a/hobo/applications/views.py b/hobo/applications/views.py
index c4b8746..db684be 100644
--- a/hobo/applications/views.py
+++ b/hobo/applications/views.py
@@ -65,6 +65,8 @@ def get_object_types():
             continue
         service_objects = {x.get_base_url_path(): x for x in get_installed_services(types=[service_id])}
         for service in services.values():
+            if service['url'] not in service_objects:
+                continue
             if service_objects[service['url']].secondary:
                 continue
             url = urllib.parse.urljoin(service['url'], 'api/export-import/')
diff --git a/tests/test_application.py b/tests/test_application.py
index 6f0f7b1..4aa0977 100644
--- a/tests/test_application.py
+++ b/tests/test_application.py
@@ -145,12 +145,19 @@ def test_create_application(app, admin_user, settings):
 
     settings.KNOWN_SERVICES = {
         'wcs': {
+            'blah': {
+                # simulate an instance from another collectivity
+                'title': 'Unknown',
+                'url': 'https://unknown.example.invalid/',
+                'orig': 'example.org',
+                'secret': 'xxx',
+            },
             'foobar': {
                 'title': 'Foobar',
                 'url': 'https://wcs.example.invalid/',
                 'orig': 'example.org',
                 'secret': 'xxx',
-            }
+            },
         }
     }