diff --git a/src/hal/Arduino/ArduinoHal.h b/src/hal/Arduino/ArduinoHal.h
index 959b9d22..17efeec1 100644
--- a/src/hal/Arduino/ArduinoHal.h
+++ b/src/hal/Arduino/ArduinoHal.h
@@ -1,5 +1,5 @@
 // make sure this is always compiled
-#include "TypeDef.h"
+#include "../../TypeDef.h"
 
 #if !defined(_RADIOLIB_ARDUINOHAL_H)
 #define _RADIOLIB_ARDUINOHAL_H