diff --git a/pkgs/by-name/pa/patchance/package.nix b/pkgs/by-name/pa/patchance/package.nix
index 04f9d2cdca17..1db0ef140796 100644
--- a/pkgs/by-name/pa/patchance/package.nix
+++ b/pkgs/by-name/pa/patchance/package.nix
@@ -47,7 +47,7 @@ python3Packages.buildPythonApplication rec {
   '';
 
   postFixup = ''
-    wrapPythonProgramsIn "$out/share/patchance/src" "$out $pythonPath"
+    wrapPythonProgramsIn "$out/share/patchance/src" "$out ''${pythonPath[*]}"
     for file in $out/bin/*; do
       wrapQtApp "$file"
     done