diff --git a/pkgs/data/fonts/ultimate-oldschool-pc-font-pack/default.nix b/pkgs/data/fonts/ultimate-oldschool-pc-font-pack/default.nix
index cb68c30a4a2c..f8df39c95652 100644
--- a/pkgs/data/fonts/ultimate-oldschool-pc-font-pack/default.nix
+++ b/pkgs/data/fonts/ultimate-oldschool-pc-font-pack/default.nix
@@ -1,24 +1,16 @@
-{ stdenv, fetchurl, unzip }:
+{ stdenv, fetchzip }:
 
-stdenv.mkDerivation rec {
-  name = "ultimate-oldschool-pc-font-pack-${version}";
+let
   version = "1.0";
+in
+fetchzip rec {
+  name = "ultimate-oldschool-pc-font-pack-${version}";
+  url = "http://int10h.org/oldschool-pc-fonts/download/ultimate_oldschool_pc_font_pack_v${version}.zip";
+  sha256 = "0hid4dgqfy2w26734vcw2rxmpacd9vd1r2qpdr9ww1n3kgc92k9y";
 
-  src = fetchurl {
-    url = "http://int10h.org/oldschool-pc-fonts/download/ultimate_oldschool_pc_font_pack_v${version}.zip";
-    sha256 = "7666cf23176e34ea03a218b5c1500f4ad729d97150ab7bdb7cf2adf4c99a9a7a";
-  };
-
-  buildInputs = [ unzip ];
-
-  dontBuild = true;
-
-  sourceRoot = ".";
-
-  installPhase = ''
+  postFetch= ''
     mkdir -p $out/share/fonts/truetype
-    cp 'Px437 (TrueType - DOS charset)'/*.ttf $out/share/fonts/truetype
-    cp 'PxPlus (TrueType - extended charset)'/*.ttf $out/share/fonts/truetype
+    unzip -j $downloadedFile \*.ttf -d $out/share/fonts/truetype
   '';
 
   meta = with stdenv.lib; {