diff --git a/eval.c b/eval.c index 4237a232c4..61f38e56f9 100644 --- a/eval.c +++ b/eval.c @@ -919,7 +919,7 @@ static struct tag *prot_tag; #define PROT_YIELD INT2FIX(3) /* 7 */ #define PROT_TOP INT2FIX(4) /* 9 */ -#define EXEC_TAG() (FLUSH_REGISTER_WINDOWS, ruby_setjmp(0, prot_tag->buf)) +#define EXEC_TAG() (FLUSH_REGISTER_WINDOWS, ruby_setjmp(((void)0), prot_tag->buf)) #define JUMP_TAG(st) do { \ ruby_frame = prot_tag->frame; \