diff --git a/pkgs/servers/web-apps/engelsystem/default.nix b/pkgs/servers/web-apps/engelsystem/default.nix
index ed67fc57e956..815718bc0c59 100644
--- a/pkgs/servers/web-apps/engelsystem/default.nix
+++ b/pkgs/servers/web-apps/engelsystem/default.nix
@@ -9,8 +9,7 @@ stdenv.mkDerivation rec {
   version = "3.3.0";
 
   src = fetchzip {
-    url =
-      "https://github.com/engelsystem/engelsystem/releases/download/v3.3.0/engelsystem-v3.3.0.zip";
+    url = "https://github.com/engelsystem/engelsystem/releases/download/v${version}/engelsystem-v${version}.zip";
     hash = "sha256-DS0klm26udXsiiFToeOJooA1WUR8gk0qf/UJL8E77ps=";
   };