diff --git a/restic_volume_backup/containers.py b/restic_volume_backup/containers.py
index 7fa3550..b226ba4 100644
--- a/restic_volume_backup/containers.py
+++ b/restic_volume_backup/containers.py
@@ -43,7 +43,7 @@ class Container:
     @property
     def is_backup_process_container(self):
         """Is this container the running backup process?"""
-        return self.labels.get('restic-volume-backup.runner') == 'True'
+        return self.labels.get('restic-volume-backup.backup_process') == 'True'
 
     @property
     def is_running(self):
diff --git a/tests/tests.py b/tests/tests.py
index 24be44a..5531bef 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -155,7 +155,7 @@ class ResticBackupTests(unittest.TestCase):
             {
                 'service': 'backup_runner',
                 'labels': {
-                    'restic-volume-backup.runner': 'True',
+                    'restic-volume-backup.backup_process': 'True',
                 },
             },
         ]