diff --git a/arch/nrf52/nrf52.ini b/arch/nrf52/nrf52.ini
index 0669a31e8..6c6bd8738 100644
--- a/arch/nrf52/nrf52.ini
+++ b/arch/nrf52/nrf52.ini
@@ -3,7 +3,7 @@
 platform = platformio/nordicnrf52@^10.4.0
 extends = arduino_base
 
-build_type = release
+build_type = debug
 build_flags = 
   ${arduino_base.build_flags}
   -DSERIAL_BUFFER_SIZE=1024