diff --git a/variants/promicro/platformio.ini b/variants/promicro/platformio.ini
index e70223e2..568e20d7 100644
--- a/variants/promicro/platformio.ini
+++ b/variants/promicro/platformio.ini
@@ -122,6 +122,7 @@ build_flags = ${nrf52840_base.build_flags}
 build_src_filter =
   ${nrf52840_base.build_src_filter}
   +<helpers/nrf52/PromicroBoard.cpp>
+  +<helpers/sensors>  
   +<../variants/promicro>
 lib_deps= ${nrf52840_base.lib_deps}
   adafruit/Adafruit INA3221 Library @ ^1.0.1