diff --git a/weed/filer/elastic/v7/elastic_store.go b/weed/filer/elastic/v7/elastic_store.go
index 5750b2fb8..8f2af25da 100644
--- a/weed/filer/elastic/v7/elastic_store.go
+++ b/weed/filer/elastic/v7/elastic_store.go
@@ -81,7 +81,7 @@ func (store *ElasticStore) initialize(configuration weed_util.Configuration, pre
 	if store.maxPageSize <= 0 {
 		store.maxPageSize = 10000
 	}
-	glog.Infof("filer store elastic endpoints: %s.", servers)
+	glog.Infof("filer store elastic endpoints: %v.", servers)
 	return options
 }