diff --git a/pkgs/top-level/stage.nix b/pkgs/top-level/stage.nix
index 37724a870a30f..f838d707b0c03 100644
--- a/pkgs/top-level/stage.nix
+++ b/pkgs/top-level/stage.nix
@@ -150,7 +150,7 @@ let
 
     # All packages built for i686 Linux.
     # Used by wine, firefox with debugging version of Flash, ...
-    pkgsi686Linux = assert stdenv.hostPlatform.isLinux; nixpkgsFun {
+    pkgsi686Linux = assert stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86; nixpkgsFun {
       inherit overlays config;
       ${if stdenv.hostPlatform == stdenv.buildPlatform
         then "localSystem" else "crossSystem"} = {