diff --git a/src/main/java/org/gcube/portal/threadlocalexec/SmartGearsPortalValve.java b/src/main/java/org/gcube/portal/threadlocalexec/SmartGearsPortalValve.java
index 13b9812..79e84a0 100644
--- a/src/main/java/org/gcube/portal/threadlocalexec/SmartGearsPortalValve.java
+++ b/src/main/java/org/gcube/portal/threadlocalexec/SmartGearsPortalValve.java
@@ -87,10 +87,10 @@ public class SmartGearsPortalValve extends ValveBase  {
 				userId = Long.parseLong(userIdNo);
 				return UserLocalServiceUtil.getUser(userId).getScreenName();
 			} catch (NumberFormatException e) {
-				_log.error("The userId is not a number -> " + userId);
+				_log.error("The userId is not a number -> " + userIdNo);
 				return null;
 			} catch (Exception e) {
-				_log.error("The userId does not belong to any user -> " + userId);
+				_log.error("The userId does not belong to any user -> " + userIdNo);
 				return null;
 			}
 		}