diff --git a/indra/newview/llimview.cpp b/indra/newview/llimview.cpp
index c9f09e07cf30c43a5171afd6ea7ed6c5e71e0fb5..439e87564ab946bb3067ad854b9b5704411ada0d 100644
--- a/indra/newview/llimview.cpp
+++ b/indra/newview/llimview.cpp
@@ -1224,7 +1224,7 @@ void LLIMModel::proccessOnlineOfflineNotification(
 }
 
 void LLIMModel::addMessage(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, 
-						   const std::string& utf8_text, bool log2file /* = true */) { 
+						   const std::string& utf8_text, bool log2file /* = true */, bool is_region_msg /* = false */) {
 
     if (gSavedSettings.getBOOL("TranslateChat") && (from != SYSTEM_FROM))
     {
@@ -1237,12 +1237,12 @@ void LLIMModel::addMessage(const LLUUID& session_id, const std::string& from, co
     }
     else
     {
-        processAddingMessage(session_id, from, from_id, utf8_text, log2file);
+        processAddingMessage(session_id, from, from_id, utf8_text, log2file, is_region_msg);
     }
 }
 
 void LLIMModel::processAddingMessage(const LLUUID& session_id, const std::string& from, const LLUUID& from_id,
-    const std::string& utf8_text, bool log2file /* = true */)
+    const std::string& utf8_text, bool log2file /* = true */, bool is_region_msg /* = false */)
 {
     LLIMSession* session = addMessageSilently(session_id, from, from_id, utf8_text, log2file);
     if (!session) return;
@@ -1263,6 +1263,7 @@ void LLIMModel::processAddingMessage(const LLUUID& session_id, const std::string
     arg["from_id"] = from_id;
     arg["time"] = LLLogChat::timestamp(false);
     arg["session_type"] = session->mSessionType;
+    arg["is_region_msg"] = is_region_msg;
 
     mNewMsgSignal(arg);
 }
diff --git a/indra/newview/llimview.h b/indra/newview/llimview.h
index c0d30317d07e8001eec8d66f0bec77f80884f84a..5e99cc7fca7b7c03bbc29e627e844baacbe8ee9c 100644
--- a/indra/newview/llimview.h
+++ b/indra/newview/llimview.h
@@ -208,8 +208,8 @@ class LLIMModel :  public LLSingleton<LLIMModel>
 	 * and also saved into a file if log2file is specified.
 	 * It sends new message signal for each added message.
 	 */
-	void addMessage(const LLUUID& session_id, const std::string& from, const LLUUID& other_participant_id, const std::string& utf8_text, bool log2file = true, bool is_region_msg = false);
-    void processAddingMessage(const LLUUID& session_id, const std::string& from, const LLUUID& other_participant_id, const std::string& utf8_text, bool log2file = true);
+	void addMessage(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, const std::string& utf8_text, bool log2file = true, bool is_region_msg = false);
+    void processAddingMessage(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, const std::string& utf8_text, bool log2file = true, bool is_region_msg = false);
 
 	/**
 	 * Similar to addMessage(...) above but won't send a signal about a new message added