diff -up mksh/exec.c.selectopts mksh/exec.c

--- mksh/exec.c.selectopts	2017-09-14 14:15:27.335249169 +0200

+++ mksh/exec.c	2017-09-14 14:16:30.120467641 +0200

@@ -1560,11 +1560,9 @@ do_selectargs(const char **ap, bool prin

 		shellf("%s", str_val(global("PS3")));

 		if (call_builtin(findcom("read", FC_BI), read_args, Tselect))

 			return (NULL);

-		s = str_val(global("REPLY"));

-		if (*s) {

-			getn(s, &i);

-			return ((i >= 1 && i <= argct) ? ap[i - 1] : null);

-		}

+		if (*(s = str_val(global("REPLY"))))

+			return ((getn(s, &i) && i >= 1 && i <= argct) ?

+			    ap[i - 1] : null);

 		print_menu = true;

 	}

 }