diff --git a/store/watcher.go b/store/watcher.go
index faa0cffed..6bc353f58 100644
--- a/store/watcher.go
+++ b/store/watcher.go
@@ -124,10 +124,10 @@ func (w *WatcherHub) notify(resp Response) error {
 // stopWatchers stops all the watchers
 // This function is used when the etcd recovery from a snapshot at runtime
 func (w *WatcherHub) stopWatchers() {
-	for _, subWatchers := range w.watchers{
-		for _, watcher := range subWatchers{
+	for _, subWatchers := range w.watchers {
+		for _, watcher := range subWatchers {
 			watcher.C <- nil
 		}
 	}
 	w.watchers = nil
-}
\ No newline at end of file
+}