diff --git a/pkgs/by-name/re/reaper-reapack-extension/darwin.nix b/pkgs/by-name/re/reaper-reapack-extension/darwin.nix
index 3f643cbed2a4..d8fedc11f106 100644
--- a/pkgs/by-name/re/reaper-reapack-extension/darwin.nix
+++ b/pkgs/by-name/re/reaper-reapack-extension/darwin.nix
@@ -13,16 +13,8 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     meta
     ;
   src = fetchurl {
-    url =
-      let
-        arch = if stdenvNoCC.hostPlatform.system == "x86_64-darwin" then "x86_64" else "arm64";
-      in
-      "https://github.com/cfillion/reapack/releases/download/v${finalAttrs.version}/reaper_reapack-${arch}.dylib";
-    hash =
-      {
-        aarch64-darwin = "sha256-eFKEUuTUWE4Wp/vWVrvTbK78U6TicvRXSWggVAH2Og4=";
-      }
-      .${stdenvNoCC.hostPlatform.system};
+    url = "https://github.com/cfillion/reapack/releases/download/v${finalAttrs.version}/reaper_reapack-arm64.dylib";
+    hash = "sha256-eFKEUuTUWE4Wp/vWVrvTbK78U6TicvRXSWggVAH2Og4=";
   };
 
   dontUnpack = true;