diff --git a/tasmota/xdrv_29_deepsleep.ino b/tasmota/xdrv_29_deepsleep.ino
index 0fec046cf..a5a402e90 100644
--- a/tasmota/xdrv_29_deepsleep.ino
+++ b/tasmota/xdrv_29_deepsleep.ino
@@ -211,7 +211,7 @@ bool Xdrv29(uint8_t function)
       DeepSleepEverySecond();
       break;
     case FUNC_AFTER_TELEPERIOD:
-        if (DeepSleepEnabled() && !deepsleep_flag && (Settings->tele_period == 10 || Settings->tele_period == 300 || UpTime() > Settings->tele_period)) {
+        if (DeepSleepEnabled() && !deepsleep_flag && (Settings->tele_period == 10 || Settings->tele_period == 300 || millis() > 20000)) {
         deepsleep_flag = DEEPSLEEP_START_COUNTDOWN;  // Start deepsleep in 4 seconds
       }
       break;