diff --git a/platformio.ini b/platformio.ini
index 97148ac3..8d614480 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -6,20 +6,21 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-;env_default = generic
+env_default = generic
 ;env_default = ebox
 ;env_default = heltec
 ;env_default = ttgov1
 ;env_default = ttgov2
 ;env_default = ttgov21old
 ;env_default = ttgov21new
-env_default = ttgobeam
+;env_default = ttgobeam
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = fipy
 ;env_default = lolin32litelora
 ;env_default = lolin32lora
 ;env_default = lolin32lite
+;env_default = ebox, heltec, ttgobeam, lopy4, lopy, ttgov21old, ttgov21new
 ;
 description = Paxcounter is a proof-of-concept ESP32 device for metering passenger flows in realtime. It counts how many mobile devices are around.
 
@@ -72,7 +73,6 @@ build_flags =
     -w
     -DCORE_DEBUG_LEVEL=${common.debug_level}
 
-
 [env:ebox]
 platform = ${common.platform_espressif32}
 framework = arduino
@@ -286,4 +286,4 @@ build_flags =
     ${common.build_flags}
 upload_protocol = ${common.upload_protocol}
 extra_scripts = ${common.extra_scripts}
-monitor_speed = ${common.monitor_speed}
+monitor_speed = ${common.monitor_speed}
\ No newline at end of file