diff --git a/platformio.ini b/platformio.ini
index 9231690..0cf0878 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -11,7 +11,7 @@ lib_deps =
 	adafruit/Adafruit GFX Library @ 1.11.9
 	adafruit/Adafruit SSD1306 @ 2.5.7
 	bblanchon/ArduinoJson @ 6.21.3
-	lewisxhe/XPowersLib @ 0.1.8
+	lewisxhe/XPowersLib @ 0.2.4
 	sandeepmistry/LoRa @ 0.8.0
 	peterus/APRS-Decoder-Lib @ 0.0.6
 	mikalhart/TinyGPSPlus @ 1.0.3
diff --git a/src/LoRa_APRS_Tracker.cpp b/src/LoRa_APRS_Tracker.cpp
index 244d4c8..b53e021 100644
--- a/src/LoRa_APRS_Tracker.cpp
+++ b/src/LoRa_APRS_Tracker.cpp
@@ -367,6 +367,9 @@ void loop() {
            would lead to decrease of beacon rate in between 5 to 20 km/h. what
            is even below the slow speed rate.
         */
+        if (curr_speed == 0) {
+          curr_speed = 1;
+        }
         txInterval = min(BeaconMan.getCurrentBeaconConfig()->smart_beacon.slow_rate,
                          BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_speed * BeaconMan.getCurrentBeaconConfig()->smart_beacon.fast_rate / curr_speed) *
                      1000;