diff --git a/djangocms_link/fields.py b/djangocms_link/fields.py
index d5e95e26..507f9a13 100644
--- a/djangocms_link/fields.py
+++ b/djangocms_link/fields.py
@@ -12,6 +12,8 @@
 
 from cms.utils.urlutils import admin_reverse
 
+from djangocms_link.helpers import get_manager
+
 
 try:
     from filer.fields.file import AdminFileWidget, FilerFileField
@@ -45,10 +47,7 @@ def get_internal_obj(self, values):
             if value:
                 model_path, pk = value.split(":", 1)
                 model = apps.get_model(*model_path.split(".", 1))
-                if hasattr(model, "admin_manager"):
-                    internal_obj.append(model.admin_manager.filter(pk=pk).first())
-                else:
-                    internal_obj.append(model.objects.filter(pk=pk).first())
+                internal_obj.append(get_manager(model).filter(pk=pk).first())
             else:
                 internal_obj.append(None)
         return internal_obj
diff --git a/tests/test_cms_config.py b/tests/test_cms_config.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/x_test_cms_config.py b/tests/x_test_cms_config.py
new file mode 100644
index 00000000..281acd8e
--- /dev/null
+++ b/tests/x_test_cms_config.py
@@ -0,0 +1,17 @@
+from django.apps import apps
+
+from cms.test_utils.testcases import CMSTestCase
+
+
+class CMSConfigTestCase(CMSTestCase):
+    def setUp(self):
+        self.app = apps.get_app_config("djangocms_link")
+
+    def test_config_recognized(self):
+        self.assertFalse(hasattr(self.app, "cms_config"))
+        self.assertTrue(hasattr(self.app, "cms_extension"))
+
+    def test_cms_extension(self):
+        cms_ext = self.app.cms_extension
+
+        self.assertEqual(cms_ext.link_url_endpoint, "/en/admin/djangocms_link/link/urls")