diff --git a/Firmware/sound.cpp b/Firmware/sound.cpp
index bd157d0d8..3d4aec34a 100644
--- a/Firmware/sound.cpp
+++ b/Firmware/sound.cpp
@@ -63,7 +63,7 @@ Sound_SaveMode();
 }
 
 //if critical is true then silend and once mode is ignored
-void Sound_MakeCustom(uint16_t ms,uint16_t tone_,bool critical){
+void __attribute__((noinline)) Sound_MakeCustom(uint16_t ms,uint16_t tone_,bool critical){
     backlight_wake();
      if (critical || eSoundMode != e_SOUND_MODE_SILENT) {
           if(!tone_) {