diff --git a/usr.bin/printf/printf.c b/usr.bin/printf/printf.c
index 7a7e055ae4fe..956e8a3dadb1 100644
--- a/usr.bin/printf/printf.c
+++ b/usr.bin/printf/printf.c
@@ -575,7 +575,7 @@ getnum(intmax_t *ip, uintmax_t *uip, int signedconv)
 	int rval;
 
 	if (!*gargv) {
-		*ip = 0;
+		*ip = *uip = 0;
 		return (0);
 	}
 	if (**gargv == '"' || **gargv == '\'') {