diff --git a/cmd/scollector/main.go b/cmd/scollector/main.go
index f5f1f85018..8518106ab3 100644
--- a/cmd/scollector/main.go
+++ b/cmd/scollector/main.go
@@ -173,7 +173,7 @@ func main() {
 	if conf.BatchSize != 0 {
 		collect.BatchSize = conf.BatchSize
 	}
-	collect.Tags = opentsdb.TagSet{"os": runtime.GOOS}
+	collect.Tags = conf.Tags.Copy().Merge(opentsdb.TagSet{"os": runtime.GOOS})
 	if *flagPrint {
 		collect.Print = true
 	}