diff --git a/pkgs/development/embedded/platformio/chrootenv.nix b/pkgs/development/embedded/platformio/chrootenv.nix
index 72384c0994a2..138e7186624a 100644
--- a/pkgs/development/embedded/platformio/chrootenv.nix
+++ b/pkgs/development/embedded/platformio/chrootenv.nix
@@ -23,7 +23,8 @@ in buildFHSUserEnv {
   name = "platformio";
 
   targetPkgs = pio-pkgs;
-  multiPkgs = pio-pkgs;
+  # disabled temporarily because fastdiff no longer support 32bit
+  # multiPkgs = pio-pkgs;
 
   meta = with lib; {
     description = "An open source ecosystem for IoT development";