diff --git a/platformio.ini b/platformio.ini
index d19b88c45764..31bcc36859d8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,6 +10,12 @@
 [platformio]
 src_dir = sonoff
 
+; Uncomment one of the lines below to build/upload only one environment
+;env_default = sonoff
+;env_default = sonoff-touch-4ch
+;env_default = sonoff-minimal
+;env_default = sonoff-ds18x20
+
 ; Sonoff et al (ESP8266 based)
 [env:sonoff]
 platform = espressif8266