diff --git a/pkg/webhook/node/mutating/mutating_handler.go b/pkg/webhook/node/mutating/mutating_handler.go
index 42e7f81b6..2e40846e6 100644
--- a/pkg/webhook/node/mutating/mutating_handler.go
+++ b/pkg/webhook/node/mutating/mutating_handler.go
@@ -131,7 +131,11 @@ func (h *NodeMutatingHandler) Handle(ctx context.Context, req admission.Request)
 		klog.Errorf("Failed to marshal mutated Node %s, err: %v", obj.Name, err)
 		return admission.Errored(http.StatusInternalServerError, err)
 	}
-	return admission.PatchResponseFromRaw(req.AdmissionRequest.Object.Raw, marshaled)
+	original, err := json.Marshal(clone)
+	if err != nil {
+		return admission.Errored(http.StatusInternalServerError, err)
+	}
+	return admission.PatchResponseFromRaw(original, marshaled)
 }
 
 var _ inject.Client = &NodeMutatingHandler{}
diff --git a/pkg/webhook/pod/mutating/mutating_handler.go b/pkg/webhook/pod/mutating/mutating_handler.go
index 1c8874bd2..539c3bd1f 100644
--- a/pkg/webhook/pod/mutating/mutating_handler.go
+++ b/pkg/webhook/pod/mutating/mutating_handler.go
@@ -94,7 +94,11 @@ func (h *PodMutatingHandler) Handle(ctx context.Context, req admission.Request)
 		klog.Errorf("Failed to marshal mutated Pod %s/%s, err: %v", obj.Namespace, obj.Name, err)
 		return admission.Errored(http.StatusInternalServerError, err)
 	}
-	return admission.PatchResponseFromRaw(req.AdmissionRequest.Object.Raw, marshaled)
+	original, err := json.Marshal(clone)
+	if err != nil {
+		return admission.Errored(http.StatusInternalServerError, err)
+	}
+	return admission.PatchResponseFromRaw(original, marshaled)
 }
 
 func (h *PodMutatingHandler) handleCreate(ctx context.Context, req admission.Request, obj *corev1.Pod) error {