diff --git a/pkgs/misc/emulators/gens-gs/default.nix b/pkgs/misc/emulators/gens-gs/default.nix
index 4bc727c241e7..53c55de9a377 100644
--- a/pkgs/misc/emulators/gens-gs/default.nix
+++ b/pkgs/misc/emulators/gens-gs/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://segaretro.org/Gens/GS;
     description = "A Genesis/Mega Drive emulator";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = [ "i686-linux" ];
     maintainers = [ stdenv.lib.maintainers.eelco ];
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2250844d7269..920e8bb5228f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6834,7 +6834,7 @@ let
     inherit (gtkLibs1x) gtk;
   };
 
-  gensgs = callPackage ../misc/emulators/gens-gs { };
+  gensgs = callPackage_i686 ../misc/emulators/gens-gs { };
 
   ghostscript = callPackage ../misc/ghostscript {
     x11Support = false;