diff --git a/tests/tests.py b/tests/tests.py
index cee92b3..e9e7b9e 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -109,9 +109,38 @@ class ResticBackupTests(unittest.TestCase):
         web_service = cnt.get_service('web')
         self.assertNotEqual(web_service, None, msg="Web service not found")
 
-        mounts = list(web_service.filter_mounts())
+        mounts = web_service.filter_mounts()
         self.assertEqual(len(mounts), 1)
         self.assertEqual(mounts[0].source, '/srv/files/media')
 
     def test_exclude(self):
-        pass
+        containers = self.createContainers()
+        containers += [
+            {
+                'service': 'web',
+                'labels': {
+                    'restic-volume-backup.exclude': 'stuff',
+                },
+                'mounts': [
+                    {
+                        'Source': '/srv/files/media',
+                        'Destination': '/srv/media',
+                        'Type': 'bind',
+                    },
+                    {
+                        'Source': '/srv/files/stuff',
+                        'Destination': '/srv/stuff',
+                        'Type': 'bind',
+                    },
+                ]
+            },
+        ]
+        with mock.patch(list_containers_func, fixtures.containers(containers=containers)):
+            cnt = RunningContainers()
+
+        web_service = cnt.get_service('web')
+        self.assertNotEqual(web_service, None, msg="Web service not found")
+
+        mounts = web_service.filter_mounts()
+        self.assertEqual(len(mounts), 1)
+        self.assertEqual(mounts[0].source, '/srv/files/media')