diff --git a/pkg/webhooks/pod/mutating.go b/pkg/webhooks/pod/mutating.go
index 53c9de9e8..c1dbd6ec6 100644
--- a/pkg/webhooks/pod/mutating.go
+++ b/pkg/webhooks/pod/mutating.go
@@ -50,10 +50,9 @@ func (m *MutatingAdmission) Default(ctx context.Context, obj runtime.Object) err
 		return err
 	}
 
-	if ls.Matches(labels.Set(pod.Labels)) {
-		if m.Config.QOSInitializer.InitContainerTemplate != nil {
-			pod.Spec.InitContainers = append(pod.Spec.InitContainers, *m.Config.QOSInitializer.InitContainerTemplate)
-		}
+	if !ls.Matches(labels.Set(pod.Labels)) {
+		klog.Infof("injection skipped: webhook is not interested in the pod")
+		return nil
 	}
 
 	qosSlice, err := m.listPodQOS()