diff --git a/pkgs/vesc-tool/firmware.nix b/pkgs/vesc-tool/firmware.nix
index 9db0fdc..d79819f 100644
--- a/pkgs/vesc-tool/firmware.nix
+++ b/pkgs/vesc-tool/firmware.nix
@@ -33,7 +33,9 @@ stdenv.mkDerivation rec {
     (
       cd bldc
       chmod +w .
-      make -j $NIX_BUILD_CORES fw_410 fw_60
+      # print targets:
+      # make; false
+      make -j $NIX_BUILD_CORES fw_410 fw_60_mk3
       python package_firmware.py
     )
     mkdir -p $out