diff --git a/firmware/PIMORONI_YUKON/micropython.cmake b/firmware/PIMORONI_YUKON/micropython.cmake
index 3487bb2..601870d 100644
--- a/firmware/PIMORONI_YUKON/micropython.cmake
+++ b/firmware/PIMORONI_YUKON/micropython.cmake
@@ -50,5 +50,6 @@ include(modules_py/modules_py)
 
 # Must call `enable_ulab()` to enable
 include(micropython-common-ulab)
+enable_ulab()
 
 include(tca9555/micropython)
\ No newline at end of file