diff --git a/pkgs/by-name/ta/tauno-monitor/package.nix b/pkgs/by-name/ta/tauno-monitor/package.nix
index 9631bd23d3b7..9a02cdd189b5 100644
--- a/pkgs/by-name/ta/tauno-monitor/package.nix
+++ b/pkgs/by-name/ta/tauno-monitor/package.nix
@@ -17,6 +17,8 @@ python3Packages.buildPythonApplication (finalAttrs: {
   version = "0.2.20";
   pyproject = false;
 
+  __structuredAttrs = true;
+
   src = fetchFromGitHub {
     owner = "taunoe";
     repo = "tauno-monitor";
@@ -45,7 +47,9 @@ python3Packages.buildPythonApplication (finalAttrs: {
 
   dontWrapGApps = true;
 
-  makeWrapperArgs = [ "\${gappsWrapperArgs[@]}" ];
+  preFixup = ''
+    makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
+  '';
 
   passthru.updateScript = nix-update-script { };