diff --git a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
index bb5186f4c..061644335 100644
--- a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
+++ b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
@@ -474,6 +474,8 @@ void CLuaIHMRyzom::RegisterRyzomFunctions(NLGUI::CLuaState &ls)
 	ls.registerFunc("getUserRace",  getUserRace);
 	ls.registerFunc("getSheet2idx",  getSheet2idx);
 	ls.registerFunc("getTargetSlot",  getTargetSlot);
+	ls.registerFunc("setTargetAsInterlocutor",  setTargetAsInterlocutor);
+	ls.registerFunc("unsetTargetAsInterlocutor",  unsetTargetAsInterlocutor);
 	ls.registerFunc("getSlotDataSetId",  getSlotDataSetId);
 	ls.registerFunc("addShape",  addShape);
 	ls.registerFunc("moveShape",  moveShape);
@@ -1591,6 +1593,22 @@ int CLuaIHMRyzom::getTargetSlot(CLuaState &ls)
 	return 1;
 }
 
+// ***************************************************************************
+int CLuaIHMRyzom::setTargetAsInterlocutor(CLuaState &ls)
+{
+	uint32 slot = (uint32)getTargetSlotNr();
+	UserEntity->interlocutor(slot);
+	return 0;
+}
+
+// ***************************************************************************
+int CLuaIHMRyzom::unsetTargetAsInterlocutor(CLuaState &ls)
+{
+	uint32 slot = (uint32)getTargetSlotNr();
+	UserEntity->interlocutor(CLFECOMMON::INVALID_SLOT);
+	return 0;
+}
+
 // ***************************************************************************
 int CLuaIHMRyzom::getSlotDataSetId(CLuaState &ls)
 {
@@ -4231,4 +4249,4 @@ int CLuaIHMRyzom::displayChatMessage(CLuaState &ls)
 			ci.DynamicChat[id].displayMessage(ucstring(msg), prop.getRGBA());
 	}
 	return 1;
-}
\ No newline at end of file
+}
diff --git a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.h b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.h
index d60279aec..c8241092f 100644
--- a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.h
+++ b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.h
@@ -98,6 +98,8 @@ private:
 	static int  getUserRace(CLuaState &ls);
 	static int  getSheet2idx(CLuaState &ls);
 	static int	getTargetSlot(CLuaState &ls);
+	static int	setTargetAsInterlocutor(CLuaState &ls);
+	static int	unsetTargetAsInterlocutor(CLuaState &ls);
 	static int  getSlotDataSetId(CLuaState &ls);
 	//
 	static int	getMaxDynChan(CLuaState &ls);