diff --git a/Rocket.NHibernate/NHibernateService.cs b/Rocket.NHibernate/NHibernateService.cs
index 1caaf56..725fecd 100644
--- a/Rocket.NHibernate/NHibernateService.cs
+++ b/Rocket.NHibernate/NHibernateService.cs
@@ -45,7 +45,8 @@ public void InitializeSessionFactory(IPlugin plugin, NHibernateBuilder builder)
                         var pluginAssembly = plugin.GetType().Assembly;
                         m.FluentMappings
                             .AddFromAssembly(typeof(NHibernateService).Assembly)
-                            .AddFromAssembly(pluginAssembly);
+                            .AddFromAssembly(pluginAssembly)
+                            .Conventions.Add(DefaultCascade.All());
 
                         if (builder.AutoMap)
                         {
@@ -139,4 +140,4 @@ public void HandleEvent(IEventEmitter emitter, PluginUnloadEvent @event)
                 CloseSession(@event.Plugin, sess);
         }
     }
-}
\ No newline at end of file
+}