diff --git a/store/event_history.go b/store/event_history.go
index edab33953..5db95b244 100644
--- a/store/event_history.go
+++ b/store/event_history.go
@@ -82,7 +82,7 @@ func (eh *EventHistory) scan(key string, recursive bool, index uint64) (*Event,
 
 		if recursive {
 			// add tailing slash
-			key := path.Clean(key)
+			key = path.Clean(key)
 			if key[len(key)-1] != '/' {
 				key = key + "/"
 			}