1 files changed, 7 insertions, 4 deletions
diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 31bc01ea14ad..347ceba9ab4a 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -54,9 +54,12 @@ let
 
   inherit (generated) version sources;
 
-  arch = if stdenv.system == "i686-linux"
-    then "linux-i686"
-    else "linux-x86_64";
+  mozillaPlatforms = {
+    "i686-linux" = "linux-i686";
+    "x86_64-linux" = "linux-x86_64";
+  };
+
+  arch = mozillaPlatforms.${stdenv.system};
 
   isPrefixOf = prefix: string:
     builtins.substring 0 (builtins.stringLength prefix) string == prefix;
@@ -185,7 +188,7 @@ stdenv.mkDerivation {
       free = false;
       url = http://www.mozilla.org/en-US/foundation/trademarks/policy/;
     };
-    platforms = platforms.linux;
+    platforms = builtins.attrNames mozillaPlatforms;
     maintainers = with maintainers; [ garbas ];
   };
 }