diff --git a/pkgs/development/interpreters/io/default.nix b/pkgs/development/interpreters/io/default.nix
index 5adca2c0b42..773a2c86028 100644
--- a/pkgs/development/interpreters/io/default.nix
+++ b/pkgs/development/interpreters/io/default.nix
@@ -47,6 +47,6 @@ stdenv.mkDerivation {
       z77z
       vrthra
     ];
-    platforms = platforms.linux;
+    platforms = [ "x86_64-linux" ];
   };
 }