diff --git a/pkgs/games/steam/runtime.nix b/pkgs/games/steam/runtime.nix
index e568d74e62d0..44d80c0d7948 100644
--- a/pkgs/games/steam/runtime.nix
+++ b/pkgs/games/steam/runtime.nix
@@ -1,15 +1,21 @@
 { stdenv, steamArch, fetchurl, }:
 
 stdenv.mkDerivation rec {
+
   name = "steam-runtime";
   # from https://repo.steampowered.com/steamrt-images-scout/snapshots/
   version = "0.20200417.0";
 
-  src = fetchurl {
-    url = "https://repo.steampowered.com/steamrt-images-scout/snapshots/${version}/com.valvesoftware.SteamRuntime.Platform-amd64,i386-scout-runtime.tar.gz";
-    sha256 = "0kps8i5v23sycqm69xz389n8k831jd7ncsmlrkky7nib2q91rbvj";
-    name = "scout-runtime-${version}.tar.gz";
-  };
+  src =
+    if steamArch == "amd64" then fetchurl {
+      url = "https://repo.steampowered.com/steamrt-images-scout/snapshots/${version}/com.valvesoftware.SteamRuntime.Platform-amd64,i386-scout-runtime.tar.gz";
+      sha256 = "0kps8i5v23sycqm69xz389n8k831jd7ncsmlrkky7nib2q91rbvj";
+      name = "scout-runtime-${version}.tar.gz";
+    } else fetchurl {
+      url = "https://repo.steampowered.com/steamrt-images-scout/snapshots/${version}/com.valvesoftware.SteamRuntime.Platform-i386-scout-runtime.tar.gz";
+      sha256 = "03fhac1r25xf7ia2pd35wjw360v5pa9h4870yrhhygp9h7v4klzf";
+      name = "scout-runtime-i386-${version}.tar.gz";
+    };
 
   buildCommand = ''
     mkdir -p $out