diff --git a/indra/llprimitive/llprimitive.h b/indra/llprimitive/llprimitive.h
index 76faa1b8c54d5364fe964b15dc68ee2aa53388bd..8903d8e049d0b0c1f4b3c859659d9fd5ae7a3376 100644
--- a/indra/llprimitive/llprimitive.h
+++ b/indra/llprimitive/llprimitive.h
@@ -103,6 +103,7 @@ class LLNetworkData
 		PARAMS_LIGHT    = 0x20,
 		PARAMS_SCULPT   = 0x30,
 		PARAMS_LIGHT_IMAGE = 0x40,
+		PARAMS_MESH     = 0x50,
 	};
 	
 public:
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index bbe929b7f762f9fce617000093994f26eb052407..b5fdca632baeb48a70cb28b41f7dd89e26231d5a 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -4877,6 +4877,10 @@ void LLViewerObject::adjustAudioGain(const F32 gain)
 
 bool LLViewerObject::unpackParameterEntry(U16 param_type, LLDataPacker *dp)
 {
+	if (LLNetworkData::PARAMS_MESH == param_type)
+	{
+		param_type = LLNetworkData::PARAMS_SCULPT;
+	}
 	ExtraParameter* param = getExtraParameterEntryCreate(param_type);
 	if (param)
 	{