diff --git a/pkg/volume/downwardapi/downwardapi_test.go b/pkg/volume/downwardapi/downwardapi_test.go
index 67a312012a..89c73cb983 100644
--- a/pkg/volume/downwardapi/downwardapi_test.go
+++ b/pkg/volume/downwardapi/downwardapi_test.go
@@ -63,6 +63,12 @@ func TestCanSupport(t *testing.T) {
 	if plugin.GetPluginName() != downwardAPIPluginName {
 		t.Errorf("Wrong name: %s", plugin.GetPluginName())
 	}
+	if !plugin.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{DownwardAPI: &v1.DownwardAPIVolumeSource{}}}}) {
+		t.Errorf("Expected true")
+	}
+	if plugin.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
+		t.Errorf("Expected false")
+	}
 }
 
 func TestDownwardAPI(t *testing.T) {