From c2656061fb4e50652853e9c3979389bc856d4e6d Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Thu, 18 Aug 2022 13:06:56 +0200
Subject: [PATCH] Warning fix

---
 scripts/lua/get_hosts_data.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/lua/get_hosts_data.lua b/scripts/lua/get_hosts_data.lua
index d5653897b4..296f80b2a3 100644
--- a/scripts/lua/get_hosts_data.lua
+++ b/scripts/lua/get_hosts_data.lua
@@ -186,7 +186,11 @@ if(hosts_stats ~= nil) then
       elseif(sortColumn == "column_traffic") then
 	 vals[hosts_stats[key]["bytes.sent"]+hosts_stats[key]["bytes.rcvd"]+postfix] = key
       elseif(sortColumn == "column_thpt") then
-	 vals[hosts_stats[key]["throughput_"..throughput_type]+postfix] = key
+	 local v = hosts_stats[key]["throughput_"..throughput_type]
+
+	 if(v ~= nil) then
+	    vals[v+postfix] = key
+	 end
       elseif(sortColumn == "column_queries") then
 	 vals[hosts_stats[key]["queries.rcvd"]+postfix] = key
       elseif(sortColumn == "column_ip") then