diff --git a/platformio.ini b/platformio.ini
index eee9aa1..4f6e006 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,11 +22,11 @@ monitor_flags = --raw
 #upload_protocol = espota
 #upload_port = <CALLSIGN>.local
 
-[env:heltec_wifi_lora_32_V1]
+[env:heltec_wifi_lora_32_v1]
 board = ttgo-lora32-v1
 build_flags = -Werror -Wall -DHELTEC_WIFI_LORA_32_V1
 
-[env:heltec_wifi_lora_32_V2]
+[env:heltec_wifi_lora_32_v2]
 board = ttgo-lora32-v1
 build_flags = -Werror -Wall -DHELTEC_WIFI_LORA_32_V2