diff --git a/GpsTracker/Gps.cpp b/GpsTracker/Gps.cpp
index ee5ad8f..16e5944 100644
--- a/GpsTracker/Gps.cpp
+++ b/GpsTracker/Gps.cpp
@@ -67,7 +67,9 @@ namespace gps {
 
 		if(!hardware::sim808::device.getGpsField(lastPosition, SIM808_GPS_FIELD::LATITUDE, &lat2)) return 0;
 		if(!hardware::sim808::device.getGpsField(lastPosition, SIM808_GPS_FIELD::LONGITUDE, &lng2)) return 0;
-		
+
+		VERBOSE_FORMAT("distanceFromPrevious", "%s, %f, %f, %f, %f", lastPosition, previousLat, previousLng, lat2, lng2);
+
 		lat1 = radians(previousLat);
 		lng1 = radians(previousLng);