diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 8d81f4a510..1dac9dd6d0 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -67,7 +67,7 @@ static const AudioBootStrap *const bootstrap[] = {
 #ifdef SDL_AUDIO_DRIVER_ANDROID
     &ANDROIDAUDIO_bootstrap,
 #endif
-#if SDL_AUDIO_DRIVER_PS2
+#ifdef SDL_AUDIO_DRIVER_PS2
     &PS2AUDIO_bootstrap,
 #endif
 #if SDL_AUDIO_DRIVER_PSP