diff --git a/OpenSim/Framework/IClientAPI.cs b/OpenSim/Framework/IClientAPI.cs
index b395f392e6..8d0cb5afbd 100644
--- a/OpenSim/Framework/IClientAPI.cs
+++ b/OpenSim/Framework/IClientAPI.cs
@@ -596,6 +596,7 @@ namespace OpenSim.Framework
         public PrimUpdateFlags Flags
         {
             get { return m_flags; }
+            set { m_flags = value; }
         }
 
         public virtual void Update()