diff --git a/pkgs/development/interpreters/python/python-packages-base.nix b/pkgs/development/interpreters/python/python-packages-base.nix
index 97ec3f5076f2..ff0699365ef3 100644
--- a/pkgs/development/interpreters/python/python-packages-base.nix
+++ b/pkgs/development/interpreters/python/python-packages-base.nix
@@ -38,7 +38,9 @@ let
     // {
       # Support overriding `f` itself, e.g. `buildPythonPackage.override { }`.
       # Ensure `makeOverridablePythonPackage` is applied to the result.
-      override = lib.mirrorFunctionArgs f.override (fdrv: makeOverridablePythonPackage (f.override fdrv));
+      override = lib.mirrorFunctionArgs f.override (
+        newArgs: makeOverridablePythonPackage (f.override newArgs)
+      );
     };
 
   overrideStdenvCompat =