diff --git a/include/SDL3/SDL_surface.h b/include/SDL3/SDL_surface.h
index 47b90c1bd4..f2d20654bf 100644
--- a/include/SDL3/SDL_surface.h
+++ b/include/SDL3/SDL_surface.h
@@ -73,7 +73,7 @@ typedef Uint32 SDL_SurfaceFlags;
  *
  * \since This macro is available since SDL 3.2.0.
  */
-#define SDL_MUSTLOCK(S) ((((S)->flags & SDL_SURFACE_LOCK_NEEDED)) == SDL_SURFACE_LOCK_NEEDED)
+#define SDL_MUSTLOCK(S) (((S)->flags & SDL_SURFACE_LOCK_NEEDED) == SDL_SURFACE_LOCK_NEEDED)
 
 /**
  * The scaling mode.