diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 16400649ab..49d87edba0 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -97,7 +97,7 @@ static const AudioBootStrap *const bootstrap[] = {
 #if SDL_AUDIO_DRIVER_DISK
     &DISKAUDIO_bootstrap,
 #endif
-#if SDL_AUDIO_DRIVER_DUMMY
+#ifdef SDL_AUDIO_DRIVER_DUMMY
     &DUMMYAUDIO_bootstrap,
 #endif
     NULL