diff --git a/pkg/storage/cacher.go b/pkg/storage/cacher.go
index 27ead5a1d..0f5b4e2ff 100644
--- a/pkg/storage/cacher.go
+++ b/pkg/storage/cacher.go
@@ -655,7 +655,7 @@ func (c *Cacher) Stop() {
 	}
 	c.stopLock.Lock()
 	if c.stopped {
-		// avoid that it was locked meanwhile as isStopped only read-locks
+		c.stopLock.Unlock()
 		return
 	}
 	c.stopped = true