diff --git a/retroshare-gui/src/gui/Identity/IdDialog.cpp b/retroshare-gui/src/gui/Identity/IdDialog.cpp
index 71bf7be40..17e62d3ca 100644
--- a/retroshare-gui/src/gui/Identity/IdDialog.cpp
+++ b/retroshare-gui/src/gui/Identity/IdDialog.cpp
@@ -1994,7 +1994,8 @@ QString IdDialog::createUsageString(const RsIdentityUsage& u) const
 	}
     case RsIdentityUsage::CHAT_LOBBY_MSG_VALIDATION:             // Chat lobby msgs are signed, so each time one comes, or a chat lobby event comes, a signature verificaiton happens.
     {
-		RetroShareLink l = RetroShareLink::createChatRoom(ChatId(ChatLobbyId(u.mAdditionalId)),QString::number(u.mAdditionalId));
+		ChatId id = ChatId(ChatLobbyId(u.mAdditionalId));
+		RetroShareLink l = RetroShareLink::createChatRoom(id, QString::fromStdString(id.toStdString()));
 		return tr("Message in chat room %1").arg(l.toHtml()) ;
     }
     case RsIdentityUsage::GLOBAL_ROUTER_SIGNATURE_CHECK:         // Global router message validation