diff --git a/scripts/update_birdnet_snippets.sh b/scripts/update_birdnet_snippets.sh
index baee18f..7357167 100755
--- a/scripts/update_birdnet_snippets.sh
+++ b/scripts/update_birdnet_snippets.sh
@@ -95,7 +95,10 @@ if [[ "$pytest_installation_status" = "not installed" ]];then
 fi
 
 [ -L ~/BirdSongs/Extracted/weekly_report.php ] || ln -sf ~/BirdNET-Pi/scripts/weekly_report.php ~/BirdSongs/Extracted
-sed "s/\$USER/$USER/g" $HOME/BirdNET-Pi/templates/weekly_report.cron | sudo tee -a /etc/crontab
+
+if ! grep weekly_report /etc/crontab &>/dev/null;then
+  sed "s/\$USER/$USER/g" $HOME/BirdNET-Pi/templates/weekly_report.cron | sudo tee -a /etc/crontab
+fi
 if ! grep APPRISE_WEEKLY_REPORT /etc/birdnet/birdnet.conf &>/dev/null;then
   sudo -u$USER echo "APPRISE_WEEKLY_REPORT=0" >> /etc/birdnet/birdnet.conf
 fi