diff --git a/backup-keepassxc-db.sh b/backup-keepassxc-db.sh
index 15f2f9e..8af4cd7 100755
--- a/backup-keepassxc-db.sh
+++ b/backup-keepassxc-db.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env zsh
+
+(( ${#} < 1 )) && { echo 'Device name is required'; exit 1 }
+
+local devdir="${HOME}/nextcloud/KeePassXC/${2}"
+
+if ! [ -d "${devdir}" ]; then
+    mkdir "${devdir}" || exit 1
+fi
+
+# Remove files older than 30 days (files modified more than 30 days ago)
+find "${devdir}" -depth -mtime +30 -delete
+
 local datetime="$(date +'d%d-%m-%Y_t%H-%M-%S')"
 local filename="keepassxc-db-backup-${datetime}.tar.gz"
-tar -caf "${HOME}/nextcloud/KeePassXC/${filename}" "${HOME}/.keepassxc"
+tar -caf \
+    "${devdir}/${filename}" \
+    "${HOME}/.keepassxc"