diff --git a/module_build_service/scheduler/handlers/modules.py b/module_build_service/scheduler/handlers/modules.py
index 2875dd51..c4e1499d 100644
--- a/module_build_service/scheduler/handlers/modules.py
+++ b/module_build_service/scheduler/handlers/modules.py
@@ -160,4 +160,7 @@ def wait(config, session, msg):
     # If this build already exists and is done, then fake the repo change event
     # back to the scheduler
     if state == koji.BUILD_STATES['COMPLETE']:
-        return [module_build_service.messaging.KojiRepoChange('fake msg', build.koji_tag)]
+        # TODO: builder.module_build_tag only works for Koji, figure out if
+        # other backends need this implemented (e.g. COPR)
+        return [module_build_service.messaging.KojiRepoChange(
+            'fake msg', builder.module_build_tag['name'])]
diff --git a/tests/test_scheduler/test_module_wait.py b/tests/test_scheduler/test_module_wait.py
index da3f0bd1..c07b1f2f 100644
--- a/tests/test_scheduler/test_module_wait.py
+++ b/tests/test_scheduler/test_module_wait.py
@@ -40,6 +40,7 @@ class TestModuleWait(unittest.TestCase):
         builder = mock.Mock()
         builder.get_disttag_srpm.return_value = 'some srpm disttag'
         builder.build.return_value = 1234, 1, "", None
+        builder.module_build_tag = {'name': 'some-tag-build'}
         KojiModuleBuilder.return_value = builder
         mocked_module_build = mock.Mock()
         mocked_module_build.json.return_value = {