diff --git a/scripts/backup_edi.sh b/scripts/backup_edi.sh
index 434ea39..d9d1291 100755
--- a/scripts/backup_edi.sh
+++ b/scripts/backup_edi.sh
@@ -10,20 +10,47 @@ shopt -s expand_aliases # make aliases work
 ###############################
 
 BACKUP_DIR=/sync/backup
+ensureDirectory $BACKUP_DIR
 BACKUP_DIR_HOME=$BACKUP_DIR/home
-rsync_backup $HOME/.ssh/ $BACKUP_DIR_HOME/.ssh/
+ensureDirectory $BACKUP_DIR_HOME
+backupDirectory $HOME/.ssh/ $BACKUP_DIR_HOME/.ssh/
 
 BACKUP_DIR_ROOT=$BACKUP_DIR/root/etc
-sd rsync_backup /etc/ddclient/ $BACKUP_DIR_ROOT/ddclient/
-sd rsync_backup /etc/ddclient.conf $BACKUP_DIR_ROOT/
-sd rsync_backup /etc/letsencrypt/ $BACKUP_DIR_ROOT/letsencrypt/
-sd rsync_backup /etc/nginx/ $BACKUP_DIR_ROOT/nginx/
-sd rsync_backup /etc/ssh/ $BACKUP_DIR_ROOT/ssh/
-sd rsync_backup /etc/wireguard/ $BACKUP_DIR_ROOT/wireguard/
+ensureRootDirectory $BACKUP_DIR_ROOT
 sd rsync_backup /etc/hosts $BACKUP_DIR_ROOT/
-sd rsync_backup /etc/docker/daemon.json $BACKUP_DIR_ROOT/docker/
+sd rsync_backup /etc/ddclient.conf $BACKUP_DIR_ROOT/
+backupRootDirectory /etc/ddclient/ $BACKUP_DIR_ROOT/ddclient/
+backupRootDirectory /etc/letsencrypt/ $BACKUP_DIR_ROOT/letsencrypt/
+backupRootDirectory /etc/nginx/ $BACKUP_DIR_ROOT/nginx/
+backupRootDirectory /etc/ssh/ $BACKUP_DIR_ROOT/ssh/
+backupRootDirectory /etc/wireguard/ $BACKUP_DIR_ROOT/wireguard/
+backupRootDirectory /etc/docker/daemon.json $BACKUP_DIR_ROOT/docker/
 
 
+backupRootDirectory() {
+   ensureRootDirectory $2
+   sd rsync_backup $1 $2
+}
+
+
+backupDirectory() {
+   ensureDirectory $2
+   rsync_backup $1 $2
+}
+
+
+ensureRootDirectory() {
+   ensureDirectory $1
+   sudo chown root:root $1
+}
+
+
+ensureDirectory() {
+   if [[ ! -e $1 ]]; then
+      mkdir -p $1
+   fi
+}
+
 #####################
 ### upload backup ###
 #####################