--- Allegro-Legacy-git-95a716b63.old/include/allegro/alcompat.h
+++ Allegro-Legacy-git-95a716b63/include/allegro/alcompat.h
@@ -40,7 +40,7 @@
       #endif
    #endif
 
-   #ifndef ALLEGRO_LEGACY_NO_FIX_ALIASES
+   #ifdef NOTDEF
       AL_LEGACY_ALIAS(fixed fadd(fixed x, fixed y), fixadd(x, y))
       AL_LEGACY_ALIAS(fixed fsub(fixed x, fixed y), fixsub(x, y))
       AL_LEGACY_ALIAS(fixed fmul(fixed x, fixed y), fixmul(x, y))