diff --git a/mock/src/main/java/com/tngtech/keycloakmock/impl/handler/TokenRoute.java b/mock/src/main/java/com/tngtech/keycloakmock/impl/handler/TokenRoute.java
index 570e811..2f9f631 100644
--- a/mock/src/main/java/com/tngtech/keycloakmock/impl/handler/TokenRoute.java
+++ b/mock/src/main/java/com/tngtech/keycloakmock/impl/handler/TokenRoute.java
@@ -120,14 +120,15 @@ private void handlePasswordFlow(RoutingContext routingContext) {
   private void handleClientCredentialsFlow(RoutingContext routingContext) {
     String clientId = routingContext.request().getFormAttribute("client_id");
     String password = routingContext.request().getFormAttribute("client_secret");
-    boolean formBasedAuth = clientId != null && !clientId.isEmpty() && password != null && !password.isEmpty();
+    boolean formBasedAuth =
+        clientId != null && !clientId.isEmpty() && password != null && !password.isEmpty();
     final User user = routingContext.user();
     if (user == null && !formBasedAuth) {
       routingContext.fail(401);
       return;
     }
 
-    //if not form based, try using user (BASIC auth or custom)
+    // if not form based, try using user (BASIC auth or custom)
     if (!formBasedAuth) {
       clientId = routingContext.user().get("username");
       // Password is a list of roles