diff --git a/platformio.ini b/platformio.ini
index 43f3d4495c68e5d625971c7995834c80c262bb15..0e95d7321d41a502dc7dd12725d21618d8ff7153 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -26,5 +26,7 @@ lib_deps =
     MCCI LoRaWAN LMIC library
 build_flags =
     -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS
+; Conflict between 2 hal_init functions. see https://community.platformio.org/t/multiple-definitions-warning-cant-fix-it/27534/9
+    -D hal_init=LMICHAL_init
     -D CFG_eu868=1
     -D CFG_sx1276_radio=1