diff --git a/scripts/backup_gitea.sh b/scripts/backup_gitea.sh
index 7a96d28..c51a43d 100755
--- a/scripts/backup_gitea.sh
+++ b/scripts/backup_gitea.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-nb_bk=$(sudo ls /var/lib/gitea/ | egrep ".*dump.*.zip" |wc -l)
+nb_bk=$(sudo ls /var/lib/gitea/ | grep -E ".*dump.*.zip" |wc -l)
 
 if [ $nb_bk != 0 ]; then
 	echo "EXISTING GITEA BACKUP!"
@@ -9,7 +9,7 @@ fi
 
 sudo -u gitea sh -c "cd ~gitea; gitea dump -c /etc/gitea/app.ini > /dev/null 2>&1"
 
-backup_file=$(sudo ls /var/lib/gitea/ | egrep ".*dump.*.zip")
+backup_file=$(sudo ls /var/lib/gitea/ | grep -E ".*dump.*.zip")
 backup_file="/var/lib/gitea/"$backup_file
 sudo mv $backup_file /tmp/
 backup_file="/tmp/$(basename $backup_file)"