diff --git a/controllers/appsv1/namespace_controller_test.go b/controllers/appsv1/namespace_controller_test.go
index 717289daa..1ac643f46 100644
--- a/controllers/appsv1/namespace_controller_test.go
+++ b/controllers/appsv1/namespace_controller_test.go
@@ -1,12 +1,16 @@
 package appsv1_test
 
 import (
+	"context"
 	"testing"
 
 	"github.com/stretchr/testify/require"
+	"k8s.io/apimachinery/pkg/types"
 	k8sconfig "sigs.k8s.io/controller-runtime/pkg/client/config"
 	"sigs.k8s.io/controller-runtime/pkg/manager"
+	k8sreconcile "sigs.k8s.io/controller-runtime/pkg/reconcile"
 
+	v1 "github.com/jaegertracing/jaeger-operator/apis/v1"
 	"github.com/jaegertracing/jaeger-operator/controllers/appsv1"
 )
 
@@ -28,3 +32,24 @@ func TestNamespaceControllerRegisterWithManager(t *testing.T) {
 	// verify
 	require.NoError(t, err)
 }
+
+func TestNewNamespaceInstance(t *testing.T) {
+	// prepare
+	nsn := types.NamespacedName{Name: "my-instance", Namespace: "default"}
+	reconciler := appsv1.NewNamespaceReconciler(
+		k8sClient,
+		k8sClient,
+		testScheme,
+	)
+
+	instance := v1.NewJaeger(nsn)
+	err := k8sClient.Create(context.Background(), instance)
+	require.NoError(t, err)
+
+	req := k8sreconcile.Request{
+		NamespacedName: nsn,
+	}
+
+	_, err = reconciler.Reconcile(context.Background(), req)
+	require.NoError(t, err)
+}