diff --git a/pkg/store/proxy_merge.go b/pkg/store/proxy_merge.go
index 378ac789881..7ff62113a20 100644
--- a/pkg/store/proxy_merge.go
+++ b/pkg/store/proxy_merge.go
@@ -1,6 +1,8 @@
 // Copyright (c) The Thanos Authors.
 // Licensed under the Apache License 2.0.
 
+// This is to trigger tests
+
 package store
 
 import (