diff --git a/selfprivacy_api/backup/__init__.py b/selfprivacy_api/backup/__init__.py
index b3a72c6..e3143b5 100644
--- a/selfprivacy_api/backup/__init__.py
+++ b/selfprivacy_api/backup/__init__.py
@@ -78,12 +78,12 @@ class Backups:
         redis.expire(snapshot_key, REDIS_SNAPSHOT_CACHE_EXPIRE_SECONDS)
 
     @staticmethod
-    def _redis_autobackup_key(service: Service):
+    def _redis_autobackup_key(service: Service) -> str:
         return REDIS_AUTOBACKUP_ENABLED_PREFIX + service.get_id()
 
     @staticmethod
     def enable_autobackup(service: Service):
-        redis.set(Backups._redis_autobackup_key(service), True)
+        redis.set(Backups._redis_autobackup_key(service), 1)
 
     @staticmethod
     def disable_autobackup(service: Service):
@@ -159,6 +159,7 @@ class Backups:
             REDIS_INITTED_CACHE_PREFIX,
             REDIS_SNAPSHOTS_PREFIX,
             REDIS_LAST_BACKUP_PREFIX,
+            REDIS_AUTOBACKUP_ENABLED_PREFIX,
         ]
 
         for prefix in prefixes_to_clean:
diff --git a/tests/test_graphql/test_backup.py b/tests/test_graphql/test_backup.py
index ec16306..97dd6af 100644
--- a/tests/test_graphql/test_backup.py
+++ b/tests/test_graphql/test_backup.py
@@ -218,3 +218,13 @@ def test_backup_service_task(backups, dummy_service):
 
     snaps = Backups.get_snapshots(dummy_service)
     assert len(snaps) == 1
+
+
+def test_autobackup_enable_service(backups, dummy_service):
+    assert not Backups.is_autobackup_enabled(dummy_service)
+
+    Backups.enable_autobackup(dummy_service)
+    assert Backups.is_autobackup_enabled(dummy_service)
+
+    Backups.disable_autobackup(dummy_service)
+    assert not Backups.is_autobackup_enabled(dummy_service)