diff --git a/OpenSim/Framework/Communications/Capabilities/Caps.cs b/OpenSim/Framework/Communications/Capabilities/Caps.cs
index c83c2a6f9b..91acfbeb0d 100644
--- a/OpenSim/Framework/Communications/Capabilities/Caps.cs
+++ b/OpenSim/Framework/Communications/Capabilities/Caps.cs
@@ -221,9 +221,12 @@ namespace OpenSim.Framework.Communications.Capabilities
         /// <param name="restMethod"></param>
         public void DeregisterHandlers()
         {
-            foreach (string capsName in m_capsHandlers.Caps)
+            if (m_capsHandlers != null)
             {
-                m_capsHandlers.Remove(capsName);
+                foreach (string capsName in m_capsHandlers.Caps)
+                {
+                    m_capsHandlers.Remove(capsName);
+                }
             }
         }