diff --git a/tools/esp8266/app.cpp b/tools/esp8266/app.cpp
index 938a3e5a..247aa16e 100644
--- a/tools/esp8266/app.cpp
+++ b/tools/esp8266/app.cpp
@@ -60,6 +60,11 @@ void app::loop(void) {
             if(!apActive) {
                 mTimestamp  = mWifi->getNtpTime();
                 DPRINTLN(DBG_INFO, "[NTP]: " + getDateTimeStr(mTimestamp));
+              
+                if(!mTimestamp) // if mTimestamp is 0
+                {
+                    // Todo: when no connection, then use standard ntp
+                }
             }
         }
     }