diff --git a/wise-webapp/src/main/java/com/wisemapping/dao/UserManagerImpl.java b/wise-webapp/src/main/java/com/wisemapping/dao/UserManagerImpl.java
index 47107441..4dba546c 100644
--- a/wise-webapp/src/main/java/com/wisemapping/dao/UserManagerImpl.java
+++ b/wise-webapp/src/main/java/com/wisemapping/dao/UserManagerImpl.java
@@ -123,6 +123,7 @@ public class UserManagerImpl
         final HibernateTemplate template = getHibernateTemplate();
         collaborations.forEach(c -> template.delete(c));
         template.delete(collaborator);
+        template.flush();
 
         // Save all new...
         this.createUser(user);