diff --git a/main.go b/main.go
index 375a95f..442e645 100644
--- a/main.go
+++ b/main.go
@@ -52,12 +52,11 @@ func main() {
 		},
 		UpdateFunc: func(_, obj interface{}) {
 			pvc, ok := obj.(*corev1.PersistentVolumeClaim)
-			owner := pvc.OwnerReferences
-			if !ok || pvc.DeletionTimestamp == nil || owner == nil {
+			if !ok || pvc.DeletionTimestamp == nil || pvc.OwnerReferences == nil {
 				return
 			}
-			if owner[0].APIVersion == "tekton.dev/v1alpha1" &&
-				owner[0].Kind == "PipelineRun" {
+			if pvc.OwnerReferences[0].APIVersion == "tekton.dev/v1alpha1" &&
+				pvc.OwnerReferences[0].Kind == "PipelineRun" {
 				pvs := cl.CoreV1().PersistentVolumes()
 				pv, err := pvs.Get(pvc.Spec.VolumeName, metav1.GetOptions{})
 				if err != nil {