diff --git a/examples/wifi_scan/main.c b/examples/wifi_scan/main.c
index a180a21..6dfa825 100644
--- a/examples/wifi_scan/main.c
+++ b/examples/wifi_scan/main.c
@@ -44,7 +44,7 @@ static void scan_done_cb(void *arg, sdk_scan_status_t status)
         memcpy(ssid, bss->ssid, len);
         ssid[len] = 0;
 
-        printf("%32s (" MACSTR ") RSSI: %02d, security: %s\n", ssid,
+        printf("%32.32s (" MACSTR ") RSSI: %02d, security: %s\n", ssid,
             MAC2STR(bss->bssid), bss->rssi, auth_modes[bss->authmode]);
 
         bss = bss->next.stqe_next;
diff --git a/extras/libesphttpd/libesphttpd b/extras/libesphttpd/libesphttpd
index 3047230..29d341e 160000
--- a/extras/libesphttpd/libesphttpd
+++ b/extras/libesphttpd/libesphttpd
@@ -1 +1 @@
-Subproject commit 30472301589fb0c4eae792884cafc92651a959e3
+Subproject commit 29d341eea8954620a2b17449d0de905268a6189a