diff --git a/pkgs/by-name/ha/hactool/package.nix b/pkgs/by-name/ha/hactool/package.nix
index e38290f51285..8bc55829d8a5 100644
--- a/pkgs/by-name/ha/hactool/package.nix
+++ b/pkgs/by-name/ha/hactool/package.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   installPhase = ''
-    install -D hactool${stdenv.targetPlatform.extensions.executable} $out/bin/hactool${stdenv.targetPlatform.extensions.executable}
+    install -D hactool${stdenv.hostPlatform.extensions.executable} $out/bin/hactool${stdenv.hostPlatform.extensions.executable}
   '';
 
   meta = with lib; {