diff --git a/conf/distro/oniro-openharmony-linux.conf b/conf/distro/oniro-openharmony-linux.conf
index 85cbcf136e524d9b302355329a4439afb646bd66..eb8409cda9587cfb868d274fa2fc70000ac3172e 100644
--- a/conf/distro/oniro-openharmony-linux.conf
+++ b/conf/distro/oniro-openharmony-linux.conf
@@ -38,3 +38,7 @@ INHERIT += "uninative"
 # IMAGE_CLASSES, but doing a direct `inherit testimage` in image recipes
 # instead.
 HOSTTOOLS += "ip ping ps scp ssh stty"
+
+# Default to enabling serial debug console on RaspberryPi
+# Placed here to amend the machine config living in meta-raspberrypi
+ENABLE_UART:raspberrypi4-64 ?= "1"