1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 659326c3e895..006ad817cd5f 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -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;
                 }