diff --git a/default.nix b/default.nix
index 6ae9cae..38bcf8b 100644
--- a/default.nix
+++ b/default.nix
@@ -29,23 +29,9 @@ let
     EXTRA_LDFLAGS = pkgs.lib.optionalString pkgs.stdenv.isDarwin "-X github.com/nlewo/nix2container/nix.useNixCaseHack=true";
     nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.patchutils ];
     preBuild = let
-      # Needs to use fetchpatch2 to handle "git extended headers", which include
-      # lines with semantic content like "rename from" and "rename to".
-      # However, it also includes "index" lines which include the git revision(s) the patch was initially created from.
-      # These lines may include revisions of differing length, based on how Github generates them.
-      # fetchpatch2 does not filter out, but probably should    
-      fetchgitpatch = args: pkgs.fetchpatch2 (args // {
-        postFetch = (args.postFetch or "") + ''
-          sed -i \
-            -e '/^index /d' \
-            -e '/^similarity index /d' \
-            -e '/^dissimilarity index /d' \
-            $out
-        '';
-      });
-      patch = fetchgitpatch {
-        url = "https://github.com/nlewo/image/commit/c2254c998433cf02af60bf0292042bd80b96a77e.patch";
-        sha256 = "sha256-6CUjz46xD3ORgwrHwdIlSu6JUj7WLS6BOSyRGNnALHY=";
+      patch = pkgs.fetchurl {
+        url = "https://github.com/nlewo/image/commit/c2254c998433cf02af60bf0292042bd80b96a77e.patch?full_index=1";
+        sha256 = "sha256-qIVVXn1Cs8OkCXM8i1magAkE5Iftl8kksDvE5EjHynI=";
       };
     in ''
       mkdir -p vendor/github.com/nlewo/nix2container/