kc3-lang/SDL

diff --git a/src/audio/arts/SDL_artsaudio.c b/src/audio/arts/SDL_artsaudio.c
index ea4f311..f3aa94b 100644
--- a/src/audio/arts/SDL_artsaudio.c
+++ b/src/audio/arts/SDL_artsaudio.c
@@ -300,12 +300,12 @@ static void ARTS_Deinitialize(void)
 }
 
 
-static SDL_bool ARTS_Init(SDL_AudioDriverImpl * impl)
+static SDL_bool ARTS_Init(SDL_AudioDriverImpl *impl)
 {
     if (LoadARTSLibrary() < 0) {
         return SDL_FALSE;
     } else {
-        if (SDL_NAME(arts_init) () != NULL) {
+        if (SDL_NAME(arts_init) () != 0) {
             UnloadARTSLibrary();
             SDL_SetError("ARTS: arts_init failed (no audio server?)");
             return SDL_FALSE;