diff --git a/radio/src/targets/taranis/board_taranis.h b/radio/src/targets/taranis/board_taranis.h
index 0bbe2c79c..7a6c7fe9e 100644
--- a/radio/src/targets/taranis/board_taranis.h
+++ b/radio/src/targets/taranis/board_taranis.h
@@ -253,7 +253,7 @@ void hapticOff(void);
 #if defined(REVPLUS)
   void hapticOn(uint32_t pwmPercent);
 #else
-  void hapticOn();
+  void hapticOn(void);
   #define HAPTIC_ON()   hapticOn()
 #endif