diff --git a/platformio.ini b/platformio.ini
index 449904787..fc29bc5e2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -30,8 +30,9 @@ env_default = sonoff
 ;env_default = sonoff-PL
 ;env_default = sonoff-PT
 ;env_default = sonoff-RU
-;env_default = sonoff-UK
+;env_default = sonoff-TR
 ;env_default = sonoff-TW
+;env_default = sonoff-UK
 
 [common] ; ************************************************************
 ; *** Esp8266 core for Arduino version 2.3.0
@@ -44,7 +45,7 @@ platform = espressif8266@1.5.0
 ;platform = espressif8266@1.8.0
 ; *** Esp8266 core for Arduino version latest beta
 ;platform = https://github.com/platformio/platform-espressif8266.git#feature/stage
-; *** Esp8266 core for Arduino current version
+; *** Esp8266 core for Arduino current version (located in %USERPROFILE%\.platformio\platforms\espressif8266)
 ;platform = espressif8266
 
 framework = arduino
@@ -309,13 +310,13 @@ upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
 
-[env:sonoff-UK]
+[env:sonoff-TR]
 platform = ${common.platform}
 framework = ${common.framework}
 board = ${common.board}
 board_build.flash_mode = ${common.board_build.flash_mode}
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags} -DMY_LANGUAGE=uk-UK
+build_flags = ${common.build_flags} -DMY_LANGUAGE=tr-TR
 monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
@@ -332,3 +333,15 @@ monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
+
+[env:sonoff-UK]
+platform = ${common.platform}
+framework = ${common.framework}
+board = ${common.board}
+board_build.flash_mode = ${common.board_build.flash_mode}
+build_unflags = ${common.build_unflags}
+build_flags = ${common.build_flags} -DMY_LANGUAGE=uk-UK
+monitor_speed = ${common.monitor_speed}
+upload_speed = ${common.upload_speed}
+upload_port = ${common.upload_port}
+extra_scripts = ${common.extra_scripts}