diff --git a/nix/srcds/default.nix b/nix/srcds/default.nix
index f892d05..21e44fe 100644
--- a/nix/srcds/default.nix
+++ b/nix/srcds/default.nix
@@ -17,8 +17,10 @@
   hl2sdk,
   sdk,
   writeTextDir,
+  pkgsCross,
+  requireFile,
 }: let
-  inherit (lib) importJSON map toString elem last replaceStrings naturalSort filter any optionals;
+  inherit (lib) importJSON map toString elem last replaceStrings naturalSort filter any optionals optionalString;
   depotInputs = importJSON ./depots.json;
   fetchSupported = elem system depotdownloader.meta.platforms;
   fetcher = input:
@@ -34,18 +36,17 @@
       }
     else
       stdenvNoCC.mkDerivation {
-        name = "steam-depot-${toString input.app_id}-${toString input.depot_id}";
+        name = "steam-depot-${toString input.app_id}-${toString input.depot_id}-depot";
         outputHashAlgo = "sha256";
         outputHashMode = "recursive";
         outputHash = input.hash;
-        preferLocalBuild = true;
-        allowSubstitutes = false;
         builder = writeScript "restrict-message" ''
           source ${stdenvNoCC}/setup
           cat <<_EOF_
 
           $out
-          fetchSteam is not supported on your platform
+          fetchSteam is not supported on your platform.
+          You can build srcds for x86_64-linux first to fetch the depot.
 
           _EOF_
           exit 1
@@ -87,9 +88,6 @@
       cp -rL . $out
       chmod -R +w $out
 
-      # the steamclient.so included in the depot is 32bit so it wont work
-      cp ${steamworks-sdk-redist}/lib/steamclient.so $out/bin/linux64/steamclient.so
-
       echo 440 > $out/steam_appid.txt
 
       mkdir -p $out/bin
@@ -101,6 +99,11 @@
       runHook postInstall
     '';
 
+    postInstall = optionalString (system == "x86_64-linux") ''
+      # the steamclient.so included in the depot is 32bit so it wont work
+      cp ${steamworks-sdk-redist}/lib/steamclient.so $out/bin/linux64/steamclient.so
+    '';
+
     passthru = {
       customize = {
         cfg ? {},