diff --git a/app/fifo_list/fifo_interactive_inc.php b/app/fifo_list/fifo_interactive_inc.php
index f61453986c..e2b3c9a051 100644
--- a/app/fifo_list/fifo_interactive_inc.php
+++ b/app/fifo_list/fifo_interactive_inc.php
@@ -44,7 +44,7 @@
 
 //set variables
 	$fifo_name = trim($_REQUEST["c"]);
-	$fifo_name = preg_replace('#[^a-zA-Z0-9\-./]#', '', $fifo_name);
+	$fifo_name = preg_replace('[^a-zA-Z0-9\-_@.\/]', '', $fifo_name);
 
 //if not the user is not a member of the superadmin then restrict to viewing their own domain
 	if (!if_group("superadmin")) {