diff --git a/sample-get-ip-from-fritzbox b/sample-get-ip-from-fritzbox
index 87b986e..c17e775 100755
--- a/sample-get-ip-from-fritzbox
+++ b/sample-get-ip-from-fritzbox
@@ -15,6 +15,6 @@
 
 curl -s -H 'Content-Type: text/xml; charset="utf-8"' \
   -H 'SOAPAction: urn:schemas-upnp-org:service:WANIPConnection:1#GetExternalIPAddress' \
-  --data-binary '<?xml version="1.0" encoding="utf-8"?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:GetExternalIPAddress xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1" /></s:Body></s:Envelope>' \
-  http://169.254.1.1:49000/upnp/control/WANCommonIFC1 | \
-  sed -n -e 's#^.*<NewExternalIPAddress>\(.*\)</NewExternalIPAddress>.*$#\1#p'
+  -d '<?xml version="1.0" encoding="utf-8"?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <s:Body> <u:GetExternalIPAddress xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1" /></s:Body></s:Envelope>' \
+  'http://fritz.box:49000/igdupnp/control/WANIPConn1' | \
+  grep -Eo '\<[[:digit:]]{1,3}(\.[[:digit:]]{1,3}){3}\>'