diff --git a/pkgs/development/compilers/swift/default.nix b/pkgs/development/compilers/swift/default.nix
index 5c85ac09162a..abbfdd2abb72 100644
--- a/pkgs/development/compilers/swift/default.nix
+++ b/pkgs/development/compilers/swift/default.nix
@@ -286,7 +286,8 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ dtzWill ];
     license = licenses.asl20;
     # Swift doesn't support 32bit Linux, unknown on other platforms.
-    platforms = [ "x86_64-linux" ];
+    platforms = platforms.linux;
+    badPlatforms = platforms.i686;
   };
 }