diff --git a/units/sdl2.pas b/units/sdl2.pas
index 914226ac..c6077030 100644
--- a/units/sdl2.pas
+++ b/units/sdl2.pas
@@ -351,7 +351,7 @@ function SDL_AUDIO_ISINT(x: Cardinal): Cardinal;
 
 function SDL_AUDIO_ISLITTLEENDIAN(x: Cardinal): Cardinal;
 begin
-  Result := not SDL_AUDIO_ISLITTLEENDIAN(x);
+  Result := not SDL_AUDIO_ISBIGENDIAN(x);
 end;
 
 function SDL_AUDIO_ISUNSIGNED(x: Cardinal): Cardinal;