diff --git a/pkgs/data/fonts/fira-code/default.nix b/pkgs/data/fonts/fira-code/default.nix
index 1ba15dadb11..b0e63835156 100644
--- a/pkgs/data/fonts/fira-code/default.nix
+++ b/pkgs/data/fonts/fira-code/default.nix
@@ -14,8 +14,7 @@ stdenvNoCC.mkDerivation rec {
   installPhase = ''
     runHook preInstall
 
-    mkdir -p $out/share/fonts
-    cp variable_ttf/*-VF.ttf $out/share/fonts/truetype
+    install -Dm644 variable_ttf/*-VF.ttf -t $out/share/fonts/truetype
 
     runHook postInstall
   '';