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-rw-r--r--mbbsd/cache.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mbbsd/cache.c b/mbbsd/cache.c
index 14d5d0d2..2517ee1e 100644
--- a/mbbsd/cache.c
+++ b/mbbsd/cache.c
@@ -417,7 +417,8 @@ count_logins(int uid, int show)
j = uid - ulist[i]->uid;
if (!j) {
for (; i > 0 && uid == ulist[i - 1]->uid; i--); /* 指到第一筆 */
- for (count = 0; uid == ulist[i + count]->uid; count++) {
+ for (count = 0; (ulist[i + count] &&
+ uid == ulist[i + count]->uid); count++) {
if (show)
prints("(%d) 目前狀態為: %-17.16s(來自 %s)\n",
count + 1, modestring(ulist[i + count], 0),