diff --git a/pkgs/by-name/ta/takao/package.nix b/pkgs/by-name/ta/takao/package.nix
index 01e43d756acb..80ea2828316a 100644
--- a/pkgs/by-name/ta/takao/package.nix
+++ b/pkgs/by-name/ta/takao/package.nix
@@ -5,12 +5,12 @@
   installFonts,
 }:
 
-stdenvNoCC.mkDerivation rec {
+stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "takao";
   version = "00303.01";
 
   src = fetchurl {
-    url = "mirror://ubuntu/pool/universe/f/fonts-takao/fonts-takao_${version}.orig.tar.gz";
+    url = "mirror://ubuntu/pool/universe/f/fonts-takao/fonts-takao_${finalAttrs.version}.orig.tar.gz";
     hash = "sha256-0wjHNv1yStp0q9D0WfwjgUYoUKcCrXA5jFO8PEVgq5k=";
   };
 
@@ -23,4 +23,4 @@ stdenvNoCC.mkDerivation rec {
     maintainers = with lib.maintainers; [ serge ];
     platforms = lib.platforms.all;
   };
-}
+})