diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index 22bbd2a03..b7d3ab1e9 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -24,6 +24,7 @@ import (
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/mysql"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/postgres"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/redis"
+	_ "github.com/chrislusf/seaweedfs/weed/filer2/mongodb"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/notification"
 	_ "github.com/chrislusf/seaweedfs/weed/notification/aws_sqs"