diff --git a/OpenSim/Region/OptionalModules/Avatar/Voice/VivoxVoice/VivoxVoiceModule.cs b/OpenSim/Region/OptionalModules/Avatar/Voice/VivoxVoice/VivoxVoiceModule.cs
index 12ad9b8b32..773edc0cdd 100644
--- a/OpenSim/Region/OptionalModules/Avatar/Voice/VivoxVoice/VivoxVoiceModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/Voice/VivoxVoice/VivoxVoiceModule.cs
@@ -40,12 +40,12 @@ using Nini.Config;
 using Nwc.XmlRpc;
 using OpenSim.Framework;
 using OpenSim.Framework.Communications.Cache;
-using OpenSim.Framework.Communications.Capabilities;
+using OpenSim.Framework.Capabilities;
 using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
-using Caps = OpenSim.Framework.Communications.Capabilities.Caps;
+using Caps = OpenSim.Framework.Capabilities.Caps;
 
 namespace OpenSim.Region.OptionalModules.Avatar.Voice.VivoxVoice
 {
@@ -388,6 +388,11 @@ namespace OpenSim.Region.OptionalModules.Avatar.Voice.VivoxVoice
                 VivoxLogout();
         }
 
+        public Type ReplacableInterface 
+        {
+            get { return null; }
+        }
+
         public string Name
         {
             get { return "VivoxVoiceModule"; }