diff --git a/platformio.ini b/platformio.ini
index 32a2fc2..d8866c7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,8 +9,8 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-; default_envs = leonardo
-default_envs = stm32-411
+default_envs = leonardo
+; default_envs = stm32-411
 
 [common_env_data]