diff --git a/src/opentx.cpp b/src/opentx.cpp
index fb8ffb8bc..deb9fdb0e 100644
--- a/src/opentx.cpp
+++ b/src/opentx.cpp
@@ -3668,7 +3668,7 @@ ISR(TIMER_10MS_VECT, ISR_NOBLOCK)
 #endif
 
 #if defined(BEEPER)
-  BUZZER_HEARTBEAT();
+  BEEPER_HEARTBEAT();
 #endif
 
 #if defined(HAPTIC)