diff --git a/src/main/java/com/hivemq/extension/sdk/api/services/Services.java b/src/main/java/com/hivemq/extension/sdk/api/services/Services.java
index a518d90..59f7318 100644
--- a/src/main/java/com/hivemq/extension/sdk/api/services/Services.java
+++ b/src/main/java/com/hivemq/extension/sdk/api/services/Services.java
@@ -166,7 +166,7 @@ public class Services {
         return getClassObject(AdminService.class);
     }
 
-    private static <T> @NotNull T getClassObject(@NotNull final Class<T> clazz) {
+    private static <T> @NotNull T getClassObject(final @NotNull Class<T> clazz) {
 
         if (services == null) {
             throw new RuntimeException(String.format(NO_ACCESS_MESSAGE, Thread.currentThread().getName()));