diff --git a/src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Notifications.java b/src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Notifications.java
index c32d74b..3fb3a14 100644
--- a/src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Notifications.java
+++ b/src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Notifications.java
@@ -214,8 +214,9 @@ public class Notifications {
 		try{
 			String opExecutor = caller.getClient().getId();
 			Boolean result = setUserNotificationsOnOff(setting.getUsername(), setting.isDisableNotification(), opExecutor);
-			String toReturn = "Notifications have been set";
+			String toReturn = "Could not set notifications";
 			if (result) {
+				toReturn = "Notifications have been set";
 				toReturn += setting.isDisableNotification() ? " OFF ": " ON ";
 				toReturn += "for username=" + setting.getUsername();
 			}
@@ -260,7 +261,7 @@ public class Notifications {
 		if (disable) {
 			result = entries.set(key, SocialUtils.CACHING_TIME_TO_EXPIRATION, "op.ex:" + callerId);  //operator executor is who silenced the user
 		} else {
-			result = entries.delete(username);
+			result = entries.delete(key);
 		}
 		try {
 			return result.getStatus().isSuccess();