diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 49d87edba0..35da136130 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -82,7 +82,7 @@ static const AudioBootStrap *const bootstrap[] = {
 #ifdef SDL_AUDIO_DRIVER_EMSCRIPTEN
     &EMSCRIPTENAUDIO_bootstrap,
 #endif
-#if SDL_AUDIO_DRIVER_JACK
+#ifdef SDL_AUDIO_DRIVER_JACK
     &JACK_bootstrap,
 #endif
 #if SDL_AUDIO_DRIVER_PIPEWIRE
diff --git a/src/audio/jack/SDL_jackaudio.c b/src/audio/jack/SDL_jackaudio.c
index 2fdec832f0..19ed128224 100644
--- a/src/audio/jack/SDL_jackaudio.c
+++ b/src/audio/jack/SDL_jackaudio.c
@@ -20,7 +20,7 @@
 */
 #include "SDL_internal.h"
 
-#if SDL_AUDIO_DRIVER_JACK
+#ifdef SDL_AUDIO_DRIVER_JACK
 
 #include "../SDL_audio_c.h"
 #include "SDL_jackaudio.h"