diff --git a/nixos/modules/tests/private-storage.nix b/nixos/modules/tests/private-storage.nix
index 5c44c755bc9cdf612de9bcc5fcd23d03293c83cf..a3ec8f508a7a6b9f4c6953aeaef9c211b7398c4d 100644
--- a/nixos/modules/tests/private-storage.nix
+++ b/nixos/modules/tests/private-storage.nix
@@ -60,7 +60,7 @@ import <nixpkgs/nixos/tests/make-test.nix> {
         services.private-storage.enable = true;
         services.private-storage.publicIPv4 = "storage";
         services.private-storage.introducerFURL = introducerFURL;
-        services.private-storage.issuerRootURL = "http://issuer/";
+        services.private-storage.issuerRootURL = "http://issuer:8081/";
       } // networkConfig;
 
     # Operate an issuer as well.