diff --git a/staging/src/k8s.io/apiserver/pkg/storage/cacher.go b/staging/src/k8s.io/apiserver/pkg/storage/cacher.go
index 27ead5a1d78..0f5b4e2ff28 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/cacher.go
+++ b/staging/src/k8s.io/apiserver/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