diff --git a/code/platformio.ini b/code/platformio.ini
index dc101e10..220247a1 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -383,7 +383,7 @@ src_build_flags = -DGENERIC_ESP01S_RELAY_V40
 
 [env:generic-esp01s-relay-40-inv]
 extends = env:esp8266-1m-base
-src_build_flags = -DGENERIC_ESP01S_RELAY_V40 -DRELAY1_TYPE=1
+src_build_flags = -DGENERIC_ESP01S_RELAY_V40 -DRELAY1_TYPE=RELAY_TYPE_INVERSE
 
 [env:generic-esp01s-rgbled-10]
 extends = env:esp8266-1m-base