From 1e3496febf938f6e2d8130aa138f35c843992043 Mon Sep 17 00:00:00 2001
From: Victor Seva <vseva@sipwise.com>
Date: Wed, 13 May 2015 18:04:22 +0200
Subject: [PATCH] MT#12953 pushd: fix error when the user is not provided
 properly

Change-Id: I527577093f23417c362b6f0f9fa38984969a433d
---
 plugins/mod_sipwise_pushd.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/mod_sipwise_pushd.lua b/plugins/mod_sipwise_pushd.lua
index 218aff7..59e39aa 100644
--- a/plugins/mod_sipwise_pushd.lua
+++ b/plugins/mod_sipwise_pushd.lua
@@ -156,7 +156,8 @@ local function handle_offline(event)
 			caller_jid, jid_bare(caller_jid));
 		query = query .. '&' .. format(
 			"data_sender_number=%s&data_sender_name=%s&data_type=%s&data_message=%s",
-			caller_info.aliases[1], caller_info.display_name, type, msg or message);
+			tostring(caller_info.aliases[1]),
+			tostring(caller_info.display_name), type, msg or message);
 
 		if muc then
 			return query .. '&' .. query_muc;