diff --git a/.github/workflows/ESP32.yml b/.github/workflows/ESP32.yml
index 8224311..b611e1e 100644
--- a/.github/workflows/ESP32.yml
+++ b/.github/workflows/ESP32.yml
@@ -117,6 +117,8 @@ jobs:
       # Build MicroPython for each board
       - name: Build MicroPython
         run: |
+          cd ~/micropython/mpy-cross
+          make
           cd ~/micropython/ports/esp32
           source ~/esp-idf/export.sh