--- a/guix/build-system/python.scm
+++ b/guix/build-system/python.scm
@@ -110,10 +110,11 @@ prepended to the name."
                               '())
                         ,@inputs
 
+                        ("python" ,python)
+
                         ;; Keep the standard inputs of 'gnu-build-system'.
                         ,@(standard-packages)))
-         (build-inputs `(("python" ,python)
-                         ,@native-inputs))
+         (build-inputs native-inputs)
          (outputs outputs)
          (build python-build)
          (arguments (strip-keyword-arguments private-keywords arguments)))))