diff --git a/include/SDL3/SDL_rect.h b/include/SDL3/SDL_rect.h
index 8998de6f45..eb2d34a69a 100644
--- a/include/SDL3/SDL_rect.h
+++ b/include/SDL3/SDL_rect.h
@@ -371,7 +371,7 @@ SDL_FORCE_INLINE bool SDL_RectEmptyFloat(const SDL_FRect *r)
  *
  * \sa SDL_RectsEqualFloat
  */
-SDL_FORCE_INLINE bool SDL_RectsEqualEpsilon(const SDL_FRect *a, const SDL_FRect *b, const float epsilon)
+SDL_FORCE_INLINE bool SDL_RectsEqualEpsilon(const SDL_FRect *a, const SDL_FRect *b, float epsilon)
 {
     return (a && b && ((a == b) ||
             ((SDL_fabsf(a->x - b->x) <= epsilon) &&