diff --git a/pkgs/by-name/co/cooper/package.nix b/pkgs/by-name/co/cooper/package.nix
index f608413168f7..612072f08f83 100644
--- a/pkgs/by-name/co/cooper/package.nix
+++ b/pkgs/by-name/co/cooper/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenvNoCC,
   fetchFromGitHub,
+  installFonts,
 }:
 stdenvNoCC.mkDerivation {
   pname = "cooper";
@@ -14,14 +15,7 @@ stdenvNoCC.mkDerivation {
     hash = "sha256-4WaRFvAn32IfeCCDszOsmDxFuKnnADOXj/vj8SZB2mU=";
   };
 
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/share/fonts/truetype
-    cp fonts/*/*.otf $out/share/fonts/truetype
-
-    runHook postInstall
-  '';
+  nativeBuildInputs = [ installFonts ];
 
   meta = {
     homepage = "https://indestructibletype.com/Cooper/index.html";