diff --git a/shell/backup_db b/shell/backup_db
index f74939b..2160106 100755
--- a/shell/backup_db
+++ b/shell/backup_db
@@ -1,9 +1,9 @@
 #!/bin/bash
 # Create temporary backups directory
-[[ -d /tmp/note-backups ]] || mkdir /tmp/note-backups
+mkdir -p /tmp/note-backups
 date=$(date +%Y-%m-%d)
 # Backup database and save it as tar archive
-su postgres -c "pg_dump -F t note_db" | tee "/tmp/note-backups/$date.tar" > /dev/null
+sudo -u postgres pg_dump -F t note_db > "/tmp/note-backups/$date.sql"
 # Compress backup as gzip
-gzip "/tmp/note-backups/$date.tar"
-scp "/tmp/note-backups/$date.tar.gz" "club-bde@zamok.crans.org:backup/$date.tar.gz"
+gzip "/tmp/note-backups/$date.sql"
+scp "/tmp/note-backups/$date.sql.gz" "club-bde@zamok.crans.org:backup/$date.sql.gz"