diff --git a/Makefile b/Makefile
index 9ac3067..e1cf50e 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ test: generate fmt vet manifests
 # Run integration tests on local KIND cluster
 # TODO: modify once integration tests have been implemented
 test-integration:
-	echo "no tests yet"
+	ginkgo -v ./controllers/...
 
 # Build manager binary
 manager: generate fmt vet
diff --git a/main.go b/main.go
index 258a317..a137404 100644
--- a/main.go
+++ b/main.go
@@ -54,7 +54,7 @@ func main() {
 	var enableLeaderElection bool
 
 	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
-	flag.StringVar(&hydraURL, "hydra-url", "http://ory-hydra-admin.kyma-system.svc.cluster.local", "The address of ORY Hydra")
+	flag.StringVar(&hydraURL, "hydra-url", "", "The address of ORY Hydra")
 	flag.IntVar(&port, "port", 4445, "Port ORY Hydra is listening on")
 	flag.StringVar(&endpoint, "endpoint", "/clients", "ORY Hydra's client endpoint")
 	flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
@@ -73,6 +73,11 @@ func main() {
 		os.Exit(1)
 	}
 
+	if hydraURL == "" {
+		setupLog.Error(fmt.Errorf("hydra service address can't be empty"), "unable to create controller", "controller", "OAuth2Client")
+		os.Exit(1)
+	}
+
 	u, err := url.Parse(fmt.Sprintf("%s:%d", hydraURL, port))
 	if err != nil {
 		setupLog.Error(err, "unable to parse ORY Hydra's URL", "controller", "OAuth2Client")