diff --git a/boards/manifest-common.py b/boards/manifest-common.py
index 9e3b1da..75e820e 100644
--- a/boards/manifest-common.py
+++ b/boards/manifest-common.py
@@ -9,8 +9,8 @@ require("sdcard")
 # Bluetooth
 require("aioble")
 
-freeze("../../pimoroni-pico/micropython/modules_py", "pimoroni.py")
-freeze("../../pimoroni-pico/micropython/modules_py", "boot.py")
-freeze("../../pimoroni-pico/micropython/modules_py", "lte.py")
+freeze("$(MPY_DIR)/../pimoroni-pico/micropython/modules_py", "pimoroni.py")
+freeze("$(MPY_DIR)/../pimoroni-pico/micropython/modules_py", "boot.py")
+freeze("$(MPY_DIR)/../pimoroni-pico/micropython/modules_py", "lte.py")
 
 freeze("../modules/wireless")
\ No newline at end of file