diff --git a/cmd/kubeadm/app/master/manifests_test.go b/cmd/kubeadm/app/master/manifests_test.go
index e392e5eab3..8896f94fa8 100644
--- a/cmd/kubeadm/app/master/manifests_test.go
+++ b/cmd/kubeadm/app/master/manifests_test.go
@@ -89,6 +89,7 @@ func TestWriteStaticPodManifests(t *testing.T) {
 				t.Errorf("WriteStaticPodManifests: %v", err)
 				continue
 			}
+			defer manifest.Close()
 
 			var pod api.Pod
 			d := yaml.NewYAMLOrJSONDecoder(manifest, 4096)