diff --git a/navpoint/usb.py b/navpoint/usb.py
index 0381c0a..13c9926 100644
--- a/navpoint/usb.py
+++ b/navpoint/usb.py
@@ -28,8 +28,8 @@ def main(port, intercom):
                     lon = parsed_data.lon
                     time = parsed_data.time
                     date = parsed_data.date
-                    navpoint.content.content = f"""<?xml version='1.0' encoding='us-ascii'?><kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2"><Document><Style id="icon"><IconStyle><Icon><href>http://127.0.0.1:8888/marker.png</href></Icon></IconStyle></Style><name>Navpoint</name><open>1</open><Placemark><name>Position</name><styleUrl>#icon</styleUrl><Point><coordinates>{lon},{lat},0</coordinates></Point><description>{date} {time} UTC</description></Placemark></Document></kml>"""
                     if lat or lon: # ignore 0, 0 fixes
+                        navpoint.content.content = f"""<?xml version='1.0' encoding='us-ascii'?><kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2"><Document><Style id="icon"><IconStyle><Icon><href>http://127.0.0.1:8888/marker.png</href></Icon></IconStyle></Style><name>Navpoint</name><open>1</open><Placemark><name>Position</name><styleUrl>#icon</styleUrl><Point><coordinates>{lon},{lat},0</coordinates></Point><description>{date} {time} UTC</description></Placemark></Document></kml>"""
                         intercom.put(
                             "LocationUpdate",
                             {