diff --git a/pkgs/development/interpreters/python/2.7/nix-store-mtime.patch b/pkgs/development/interpreters/python/2.7/nix-store-mtime.patch
index 044a96e3a8a3..83f3fea1931b 100644
--- a/pkgs/development/interpreters/python/2.7/nix-store-mtime.patch
+++ b/pkgs/development/interpreters/python/2.7/nix-store-mtime.patch
@@ -1,6 +1,6 @@
-diff -ru -x '*~' Python-2.7.1-orig//Python/import.c Python-2.7.1//Python/import.c
---- Python-2.7.1-orig//Python/import.c	2010-05-20 20:37:55.000000000 +0200
-+++ Python-2.7.1//Python/import.c	2011-01-04 15:55:11.000000000 +0100
+diff -ru -x '*~' Python-2.7.1-orig/Python/import.c Python-2.7.1/Python/import.c
+--- Python-2.7.1-orig/Python/import.c	2010-05-20 20:37:55.000000000 +0200
++++ Python-2.7.1/Python/import.c	2011-01-04 15:55:11.000000000 +0100
 @@ -751,7 +751,7 @@
          return NULL;
      }