diff --git a/app/xml_cdr/xml_cdr_inc.php b/app/xml_cdr/xml_cdr_inc.php
index 38f76af667..ee9c801167 100644
--- a/app/xml_cdr/xml_cdr_inc.php
+++ b/app/xml_cdr/xml_cdr_inc.php
@@ -105,7 +105,7 @@
 	}
 
 //check to see if permission does not exist
-	if(!permission_exists(xml_cdr_b_leg)){
+	if(!permission_exists('xml_cdr_b_leg')){
 		$leg = 'a';
 	}