diff --git a/cmd/loki/loki-local-config.yaml b/cmd/loki/loki-local-config.yaml
index 424e4ad82e21..f9957cae0f2b 100644
--- a/cmd/loki/loki-local-config.yaml
+++ b/cmd/loki/loki-local-config.yaml
@@ -52,5 +52,5 @@ table_manager:
     provisioned_read_throughput: 0
     provisioned_write_throughput: 0
   retention_deletes_enabled: false
-  retention_period: 0
+  retention_period: 0s