diff --git a/scripts/update_birdnet.sh b/scripts/update_birdnet.sh
index 2b58ab7..e8e83c4 100755
--- a/scripts/update_birdnet.sh
+++ b/scripts/update_birdnet.sh
@@ -11,4 +11,6 @@ sudo -u${USER} git -C /home/pi/BirdNET-Pi pull -f
 sudo systemctl daemon-reload
 sudo -u${USER} git -C /home/pi/BirdNET-Pi stash pop
 sudo ln -sf $my_dir/* /usr/local/bin/
-sudo -u${USER} echo "PRIVACY_MODE=off" >> /etc/birdnet/birdnet.conf
+if ! grep PRIVACY_MODE /etc/birdnet/birdnet.conf;then
+  sudo -u${USER} echo "PRIVACY_MODE=off" >> /etc/birdnet/birdnet.conf
+fi