--- 038d8de355d0274f95aae1525862f5b7ff78b76a
+++ 47ec70fc73acbe8f0299f825d7420880def82c49
@@ -332,7 +332,7 @@ static int conf_choice(struct menu *menu
 		}
 		if (!child)
 			continue;
-		if (line[strlen(line) - 1] == '?') {
+		if (line[0] && line[strlen(line) - 1] == '?') {
 			print_help(child);
 			continue;
 		}