diff --git a/src/main/java/org/gcube/portlets/user/questions/client/VREManagersPanel.java b/src/main/java/org/gcube/portlets/user/questions/client/VREManagersPanel.java
index b1df6aa..96f803f 100644
--- a/src/main/java/org/gcube/portlets/user/questions/client/VREManagersPanel.java
+++ b/src/main/java/org/gcube/portlets/user/questions/client/VREManagersPanel.java
@@ -157,7 +157,7 @@ public class VREManagersPanel  extends Composite {
 			public void onSuccess(Boolean result) {
 				leaveVREOption.clear();
 				leaveVREOption.setHorizontalAlignment(HasAlignment.ALIGN_LEFT);
-				if(!result)
+				if(result)
 					addLeaveVREButton();
 
 			}
diff --git a/src/main/java/org/gcube/portlets/user/questions/server/QuestionsServiceImpl.java b/src/main/java/org/gcube/portlets/user/questions/server/QuestionsServiceImpl.java
index 0975704..eacd76f 100644
--- a/src/main/java/org/gcube/portlets/user/questions/server/QuestionsServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/questions/server/QuestionsServiceImpl.java
@@ -161,7 +161,7 @@ public class QuestionsServiceImpl extends RemoteServiceServlet implements Questi
 				_log.error("Unable to evaluate if the leave button can be added for the current group " + currSite.getGroupName(), e);
 			}
 			_log.debug("Is Leave button available in vre " + currSite.getGroupName() + " ? " + isMandatory);
-			return isMandatory;
+			return !isMandatory;
 		}else return true;
 	}
 	/**