diff --git a/pkgs/tools/misc/grub/2.0x.nix b/pkgs/tools/misc/grub/2.0x.nix
index 4e00a4ddd49c..63cdb61dd336 100644
--- a/pkgs/tools/misc/grub/2.0x.nix
+++ b/pkgs/tools/misc/grub/2.0x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, flex, bison, python, autoconf, automake, gnulib, libtool
+{ stdenv, fetchgit, flex, bison, python3, autoconf, automake, gnulib, libtool
 , gettext, ncurses, libusb-compat-0_1, freetype, qemu, lvm2, unifont, pkgconfig
 , fuse # only needed for grub-mount
 , zfs ? null
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
     ./fix-bash-completion.patch
   ];
 
-  nativeBuildInputs = [ bison flex python pkgconfig autoconf automake ];
+  nativeBuildInputs = [ bison flex python3 pkgconfig autoconf automake ];
   buildInputs = [ ncurses libusb-compat-0_1 freetype gettext lvm2 fuse libtool ]
     ++ optional doCheck qemu
     ++ optional zfsSupport zfs;