diff --git a/modoboa/policyd/core.py b/modoboa/policyd/core.py
index 4d4bfcfe7..e6af4f024 100644
--- a/modoboa/policyd/core.py
+++ b/modoboa/policyd/core.py
@@ -36,7 +36,9 @@ def get_redis_client():
         return aioredis.from_url(
             settings.REDIS_URL, encoding="utf-8", decode_responses=True
         )
-    sentinel = aioredis.sentinel.Sentinel(settings.REDIS_SENTINELS, socket_timeout=0.1)
+    sentinel = aioredis.sentinel.Sentinel(
+        settings.REDIS_SENTINELS, socket_timeout=0.1, db=settings.REDIS_QUOTA_DB
+    )
     return sentinel.master_for(settings.REDIS_MASTER, socket_timeout=0.1)
 
 
diff --git a/modoboa/policyd/utils.py b/modoboa/policyd/utils.py
index 5c2a06b1b..868908a5f 100644
--- a/modoboa/policyd/utils.py
+++ b/modoboa/policyd/utils.py
@@ -16,7 +16,9 @@ def get_redis_connection():
             db=settings.REDIS_QUOTA_DB,
         )
     else:
-        sentinel = redis.sentinel.Sentinel(settings.REDIS_SENTINELS, socket_timeout=0.1)
+        sentinel = redis.sentinel.Sentinel(
+            settings.REDIS_SENTINELS, socket_timeout=0.1, db=settings.REDIS_QUOTA_DB
+        )
         rclient = sentinel.master_for(settings.REDIS_MASTER, socket_timeout=0.1)
     rclient.set_response_callback("HGET", int)
     return rclient