diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index ba35b55e4f..45efa77836 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3886,6 +3886,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (m_item.PermsGranter != m_host.OwnerID)
                 return;
 
+            SceneObjectGroup grp = m_host.ParentGroup;
+            if (grp == null || grp.IsDeleted || grp.IsAttachment)
+                return;
+
             if ((m_item.PermsMask & ScriptBaseClass.PERMISSION_ATTACH) != 0)
                 AttachToAvatar(attachmentPoint);
         }