diff --git a/pkgs/by-name/ca/cartridges/package.nix b/pkgs/by-name/ca/cartridges/package.nix
index f7dbb0751844..782d47f455da 100644
--- a/pkgs/by-name/ca/cartridges/package.nix
+++ b/pkgs/by-name/ca/cartridges/package.nix
@@ -60,7 +60,7 @@ python3Packages.buildPythonApplication rec {
   makeWrapperArgs = [ "\${gappsWrapperArgs[@]}" ];
 
   postFixup = ''
-    wrapPythonProgramsIn $out/libexec $out $pythonPath
+    wrapPythonProgramsIn $out/libexec "$out ''${pythonPath[*]}"
   '';
 
   # NOTE: `postCheck` is intentionally not used here, as the entire checkPhase