diff --git a/2.Common_services/5.Nginx/vhost_skyreach.conf b/2.Common_services/5.Nginx/vhost_skyreach.conf
index 7945e3aaaca632ad10a967c66b0621d6d5e22443..58992c949f1b580b15a964fbc891a19eeba4d8bc 100644
--- a/2.Common_services/5.Nginx/vhost_skyreach.conf
+++ b/2.Common_services/5.Nginx/vhost_skyreach.conf
@@ -67,7 +67,7 @@ server {
 	}
 
 	# APT proxy urls
-	location ~ /[\w\d\.-_]+.ubuntu.com/ubuntu {
+	location ~ /[\w\d\.\-\_]+.ubuntu.com/ubuntu {
 		proxy_pass http://127.0.0.1:3142;
 	}
 }