diff --git a/scripts/backup_data.sh b/scripts/backup_data.sh
index c001a98..5291962 100755
--- a/scripts/backup_data.sh
+++ b/scripts/backup_data.sh
@@ -171,6 +171,7 @@ optional=("/home/$BIRDNET_USER/BirdNET-Pi/apprise.txt"
 "/home/$BIRDNET_USER/BirdNET-Pi/scripts/blacklisted_images.txt"
 "/home/$BIRDNET_USER/BirdNET-Pi/scripts/disk_check_exclude.txt"
 "/home/$BIRDNET_USER/BirdNET-Pi/exclude_species_list.txt"
+"/home/$BIRDNET_USER/BirdNET-Pi/confirmed_species_list.txt"
 "/home/$BIRDNET_USER/BirdNET-Pi/include_species_list.txt")
 
 [ $ACTION == "backup" ] && backup_check