diff --git a/ini/stm32f1.ini b/ini/stm32f1.ini
index da7cedd3a3..0e57848b10 100644
--- a/ini/stm32f1.ini
+++ b/ini/stm32f1.ini
@@ -410,12 +410,12 @@ platform             = ${ZONESTAR_ZM3E.platform}
 extends              = ZONESTAR_ZM3E
 board                = genericSTM32F103VC
 board_build.variant  = MARLIN_F103Vx
-build_flags          = ${ZONESTAR_ZM3E.build_flags} -DTIMER_TONE=1
+build_flags          = ${ZONESTAR_ZM3E.build_flags} -DTIMER_TONE=TIM1
 
 [env:STM32F103VE_ZM3E4V2_USB]
 platform             = ${ZONESTAR_ZM3E.platform}
 extends              = ZONESTAR_ZM3E
 board                = genericSTM32F103VE
 board_build.variant  = MARLIN_F103Vx
-build_flags          = ${ZONESTAR_ZM3E.build_flags} -DTIMER_TONE=1
+build_flags          = ${ZONESTAR_ZM3E.build_flags} -DTIMER_TONE=TIM1
 board_upload.maximum_size = 499712