diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index c7f906817..a86ed7993 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -444,6 +444,7 @@ extern DECLSPEC int SDLCALL SDL_abs(int x);
 /* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
+#define SDL_clamp(x, a, b) ((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x))
 
 extern DECLSPEC int SDLCALL SDL_isalpha(int x);
 extern DECLSPEC int SDLCALL SDL_isalnum(int x);