diff --git a/src/main/java/org/gcube/common/authorization/control/AuthorizationAspect.java b/src/main/java/org/gcube/common/authorization/control/AuthorizationAspect.java
index 837bdc6..d284a24 100644
--- a/src/main/java/org/gcube/common/authorization/control/AuthorizationAspect.java
+++ b/src/main/java/org/gcube/common/authorization/control/AuthorizationAspect.java
@@ -47,7 +47,7 @@ public class AuthorizationAspect {
 		}
 		List<String> allowedRoles = Arrays.asList(authAnn.allowedRoles());
 		if (authAnn.allowedRoles().length!=0 && userRoles.stream().filter(i -> allowedRoles.contains(i)).collect(Collectors.toList()).isEmpty()) {
-			RuntimeException ex = authAnn.exception().getConstructor(Throwable.class).newInstance(new AuthorizationException(String.format("user %s not allowed to call method %s (role non allowed)", userId, method.getName())));
+			RuntimeException ex = authAnn.exception().getConstructor(Throwable.class).newInstance(new AuthorizationException(String.format("user %s not allowed to call method %s (role not valid)", userId, method.getName())));
 			throw ex;	
 		}
 	}