diff --git a/src/freedombone-utils-firewall b/src/freedombone-utils-firewall
index 753e628d44eaa4b95d67c6c5d2dbcaf3b8b0c6ad..3c5a94f95177c9b6d84c163b6609ed463ffc46e0 100755
--- a/src/freedombone-utils-firewall
+++ b/src/freedombone-utils-firewall
@@ -53,6 +53,11 @@ function block_firefox_telemetry {
     # to be on the safe side
     # Within firefox source code see submit_telemetry_data.py
 
+    if ! grep 'telemetry.mozilla' /etc/hosts; then
+	echo '127.0.0.1  telemetry.mozilla.org' >> /etc/hosts
+	echo '127.0.0.1  incoming.telemetry.mozilla.org' >> /etc/hosts
+    fi
+        
     if grep "$FIREFOX_TELEMETRY_IP" /etc/firewall.conf; then
         return
     fi