diff --git a/OpenSim/Client/MXP/MXPModule.cs b/OpenSim/Client/MXP/MXPModule.cs
index a6b039656c..0b442cca15 100644
--- a/OpenSim/Client/MXP/MXPModule.cs
+++ b/OpenSim/Client/MXP/MXPModule.cs
@@ -110,8 +110,11 @@ namespace OpenSim.Client.MXP
         public void Close()
         {
             m_shutdown = true;
-            lock (m_ticker)
-                m_ticker.Stop();
+            if (m_ticker != null)
+            {
+                lock (m_ticker)
+                    m_ticker.Stop();
+            }
         }
 
         public string Name