diff --git a/platformio.ini b/platformio.ini
index 1a40b795..57a4b192 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,7 +16,7 @@ lib_deps_external =
   RF24
   WiFiManager
   ArduinoJson
-build_flags = -D MILIGHT_HUB_VERSION=\"1.1.0\" 
+build_flags = !echo -D MILIGHT_HUB_VERSION=\\\"$(git describe --always)\\\"
 # -D MILIGHT_UDP_DEBUG
 
 [env:nodemcuv2]
@@ -26,7 +26,7 @@ board = nodemcuv2
 lib_deps =
   ${common.lib_deps_builtin}
   ${common.lib_deps_external}
-build_flags = ${common.build_flags} -D FIRMWARE_VARIANT=\"nodemcuv2\"
+build_flags = ${common.build_flags} -D FIRMWARE_VARIANT=\\\"nodemcuv2\\\"
 
 [env:d1_mini]
 platform = espressif8266
@@ -35,13 +35,13 @@ board = d1_mini
 lib_deps =
   ${common.lib_deps_builtin}
   ${common.lib_deps_external}
-build_flags = ${common.build_flags} -D FIRMWARE_VARIANT=\"d1_mini\"
+build_flags = ${common.build_flags} -D FIRMWARE_VARIANT=\\\"d1_mini\\\"
 
 [env:esp12]
 platform = espressif8266
 board = esp12e
 framework = arduino
-build_flags = ${common.build_flags} -Wl,-Tesp8266.flash.4m1m.ld -D FIRMWARE_VARIANT=\"esp12\"
+build_flags = ${common.build_flags} -Wl,-Tesp8266.flash.4m1m.ld -D FIRMWARE_VARIANT=\\\"esp12\\\"
 lib_deps =
   ${common.lib_deps_builtin}
   ${common.lib_deps_external}
@@ -50,7 +50,7 @@ lib_deps =
 platform = espressif8266
 board = esp07
 framework = arduino
-build_flags = ${common.build_flags} -Wl,-Tesp8266.flash.1m64.ld -D FIRMWARE_VARIANT=\"esp07\"
+build_flags = ${common.build_flags} -Wl,-Tesp8266.flash.1m64.ld -D FIRMWARE_VARIANT=\\\"esp07\\\"
 lib_deps =
   ${common.lib_deps_builtin}
   ${common.lib_deps_external}