diff --git a/pkgs/by-name/re/reaper-sws-extension/darwin.nix b/pkgs/by-name/re/reaper-sws-extension/darwin.nix
index 9ad9d3679f6c..dc84ddba15ff 100644
--- a/pkgs/by-name/re/reaper-sws-extension/darwin.nix
+++ b/pkgs/by-name/re/reaper-sws-extension/darwin.nix
@@ -16,16 +16,8 @@ stdenvNoCC.mkDerivation (finalAttrs: {
 
     let
       plugin = fetchurl {
-        url =
-          let
-            arch = if stdenvNoCC.hostPlatform.system == "x86_64-darwin" then "x86_64" else "arm64";
-          in
-          "https://github.com/reaper-oss/sws/releases/download/v${finalAttrs.version}/reaper_sws-${arch}.dylib";
-        hash =
-          {
-            aarch64-darwin = "sha256-jmuob0qslYhxiE2ShfTwY4RJAKBLJSUb+VBEM0sQPbo=";
-          }
-          .${stdenvNoCC.hostPlatform.system};
+        url = "https://github.com/reaper-oss/sws/releases/download/v${finalAttrs.version}/reaper_sws-arm64.dylib";
+        hash = "sha256-jmuob0qslYhxiE2ShfTwY4RJAKBLJSUb+VBEM0sQPbo=";
       };
     in
     [