diff --git a/audio/audio_driver.c b/audio/audio_driver.c
index 3193eb926d..da0d238178 100644
--- a/audio/audio_driver.c
+++ b/audio/audio_driver.c
@@ -951,7 +951,7 @@ bool audio_driver_toggle_mute(void)
    return true;
 }
 
-static bool audio_driver_alive(void)
+static INLINE bool audio_driver_alive(void)
 {
    if (     current_audio 
          && current_audio->alive