diff --git a/src/commands.c b/src/commands.c
index f9f92fb..61f04be 100644
--- a/src/commands.c
+++ b/src/commands.c
@@ -385,9 +385,12 @@ void commands_dispatch(client_t *client) {
         while (*inbox_arg == ' ') inbox_arg++;
         if (strcmp(inbox_arg, "clear") == 0) {
             clear_inbox(client);
+            output_kind = TNT_COMMAND_OUTPUT_INBOX;
             buffer_appendf(output, sizeof(output), &pos, "%s",
                            i18n_text(client->ui_lang,
                                      I18N_INBOX_CLEARED));
+            buffer_appendf(output, sizeof(output), &pos, "\n");
+            append_inbox_output(client, output, sizeof(output), &pos);
         } else {
             output_kind = TNT_COMMAND_OUTPUT_INBOX;
             append_inbox_output(client, output, sizeof(output), &pos);
diff --git a/tests/test_user_lifecycle.sh b/tests/test_user_lifecycle.sh
index f9885f2..fa23f2b 100755
--- a/tests/test_user_lifecycle.sh
+++ b/tests/test_user_lifecycle.sh
@@ -240,6 +240,7 @@ send -- ":"
 expect ":"
 send -- "inbox clear\r"
 expect "私信已清空"
+expect "(空)"
 expect "q:关闭"
 send -- "q"
 expect "NORMAL"