diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index cff2cf4be7..67e59c6564 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -178,6 +178,8 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     item.LastOwnerID = item.OwnerID;
                     item.OwnerID = ownerId;
+                    item.PermsMask = 0;
+                    item.PermsGranter = UUID.Zero;
                 }
             }
         }
@@ -1012,6 +1014,8 @@ namespace OpenSim.Region.Framework.Scenes
                     item.BasePermissions &= item.NextPermissions;
                     item.EveryonePermissions &= item.NextPermissions;
                     item.OwnerChanged = true;
+                    item.PermsMask = 0;
+                    item.PermsGranter = UUID.Zero;
                 }
             }
         }