diff --git a/hosts/nixos/vps/proxy.nix b/hosts/nixos/vps/proxy.nix
index 4449d25..ea7766d 100644
--- a/hosts/nixos/vps/proxy.nix
+++ b/hosts/nixos/vps/proxy.nix
@@ -80,7 +80,7 @@
             servers = [{
               url = "http://thinkpad.yanlincs.com:5000";
             }];
-            serversTransport = "longTimeout";
+            serversTransport = "longTimeout@file";
           };
         };
 
@@ -89,7 +89,7 @@
             servers = [{
               url = "http://thinkpad.yanlincs.com:5099";
             }];
-            serversTransport = "longTimeout";
+            serversTransport = "longTimeout@file";
           };
         };