diff --git a/inc/common.php b/inc/common.php
index fea8322fe5fc219521085f58fb81d56f8cf4169f..e5a833d5595c94cd2152372122d49d0ed9ddff77 100644
--- a/inc/common.php
+++ b/inc/common.php
@@ -587,7 +587,7 @@ function gethostsbyaddrs($ips){
   $ips = explode(',',$ips);
 
   if(is_array($ips)) {
-    foreach($ip as $ip){
+    foreach($ips as $ip){
       $hosts[] = gethostbyaddr(trim($ip));
     }
     return join(',',$hosts);