diff --git a/platformio.ini b/platformio.ini
index 2e5cadf..4bf75a3 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -28,6 +28,7 @@ extra_scripts =
 	pre:extra_script.py
 	post:post.py
 build_flags = -Igenerated
+monitor_speed = 115200
 
 [env:m5stack-atom]
 board = m5stack-atom