diff --git a/src/SDL.c b/src/SDL.c
index 931564330..6e86ff88c 100644
--- a/src/SDL.c
+++ b/src/SDL.c
@@ -57,7 +57,7 @@ extern int SDL_HelperWindowDestroy(void);
     parts of SDL, because we don't want anything calling it without an
     extremely good reason. */
 extern SDL_NORETURN void SDL_ExitProcess(int exitcode);
-SDL_NORETURN void SDL_ExitProcess(const int exitcode)
+SDL_NORETURN void SDL_ExitProcess(int exitcode)
 {
 #ifdef __WIN32__
     /* "if you do not know the state of all threads in your process, it is