diff --git a/debian/resources/nginx/fusionpbx b/debian/resources/nginx/fusionpbx
index 3f3122b..bb44bd5 100644
--- a/debian/resources/nginx/fusionpbx
+++ b/debian/resources/nginx/fusionpbx
@@ -58,7 +58,7 @@ server {
 	#rewrite "^.*/provision/([A-Fa-f0-9]{12})(\.(cfg))?$" /app/provision/?mac=$1 last;
 
 	#yealink common
-	rewrite "^.*/provision/(y[0-9]{12})(\.cfg)?$" /app/provision/index.php?file=$1;
+	rewrite "^.*/provision/(y[0-9]{12})(\.cfg)?$" /app/provision/index.php?file=$1.cfg;
 
 	#yealink mac
 	rewrite "^.*/provision/([A-Fa-f0-9]{12})(\.(xml|cfg))?$" /app/provision/index.php?mac=$1 last;