diff --git a/pkgs/tmuxai/default.nix b/pkgs/tmuxai/default.nix
index 583b71b..9719aa7 100644
--- a/pkgs/tmuxai/default.nix
+++ b/pkgs/tmuxai/default.nix
@@ -17,19 +17,18 @@ stdenv.mkDerivation rec {
                   "tmuxai_Linux_arm64.tar.gz"
                 else throw "Unsupported platform for tmuxai precompiled binary: ${stdenv.hostPlatform.system}";
 
+  # These MUST be the SRI formatted hashes obtained from nix-prefetch-url
   srcHash = if stdenv.isLinux && stdenv.hostPlatform.isx86_64 then
-              "sha256-kWs5Cig9QV+dMD/XBcwWJALtBx1hbb52IOpoO0nCik4="
+              "sha256-kWs5Cig9QV+dMD/XBcwWJALtBx1hbb52IOpoO0nCik4=" # Example SRI for Linux amd64
             else if stdenv.isLinux && stdenv.hostPlatform.isAarch64 then
-              "sha256-kWs5Cig9QV+dMD/XBcwWJALtBx1hbb52IOpoO0nCik4="
+              "sha256-WHcM8fmbrfBjXn+a0F+Md3lJVfSApSjpPoBq80VRUs=" # Example SRI for Linux arm64
             else throw "Unsupported platform for tmuxai precompiled binary hash: ${stdenv.hostPlatform.system}";
 
-  # Define `srcFetching` for clarity, to be used in `sourceProvenance`
   srcFetching = fetchurl {
     url = "https://github.com/alvinunreal/tmuxai/releases/download/v${version}/${srcFilename}";
     hash = srcHash;
   };
 
-  # `src` attribute is still needed by mkDerivation for the actual source path
   src = srcFetching;
 
   sourceRoot = ".";
@@ -75,25 +74,12 @@ stdenv.mkDerivation rec {
     license = licenses.asl20;
     maintainers = with maintainers; [ "death916" ];
     platforms = platforms.linux ++ platforms.darwin;
-
-    # Correctly specify source provenance for a pre-compiled binary
     sourceProvenance = [
       (sourceTypes.binaryNativeCode // {
-        # We need to provide the 'urls' and 'sha256' (or 'hash') attributes
-        # that sourceTypes.binaryNativeCode might expect for its own validation,
-        # or that check-meta might look for.
-        # We can take these directly from our `srcFetching` attributes.
-        urls = srcFetching.urls or null; # fetchurl provides `urls` as a list
-        # The hash from fetchurl is already in the correct format.
-        # `fetchurl` result has `outputHash` and `outputHashAlgo`.
-        # `check-meta` often looks for `sha256` or `hash`.
-        # Let's provide what `srcFetching` has.
-        hash = srcFetching.outputHash; # Or just `srcFetching.hash` if that's how you defined it.
-                                       # `fetchurl` sets `outputHash` and `outputHashAlgo`.
-        # It might also look for `name` if not an actual derivation.
-        # Let's use the `name` from `srcFetching` which is usually the filename part of the URL.
+        urls = srcFetching.urls or null;
+        hash = srcFetching.outputHash;
         name = srcFetching.name;
       })
-    ]; # <--- CORRECTED
+    ];
   };
 }