diff --git a/_helpers/backup.sh b/_helpers/backup.sh
index e7d4160..0a07ee1 100755
--- a/_helpers/backup.sh
+++ b/_helpers/backup.sh
@@ -1,6 +1,6 @@
 #! /bin/bash -eu
 
-BACKUP_FILENAME="backup-$(date '+%Y%m%d').tar.gz"
+BACKUP_FILENAME="backup-$(date '+%Y%m%d').tar"
 
 PROJ_PATH="$(readlink -f "$(cd "$(dirname "$(readlink -f $0)")" && pwd)")"
 cd "${PROJ_PATH}/.."
@@ -11,6 +11,6 @@ USR_UID="$1"
 shift
 
 docker-compose down
-tar -czvf "${BACKUP_FILENAME}" "$@"
+tar -cvf "${BACKUP_FILENAME}" "$@"
 chown "${USR_GID}:${USR_UID}" "${BACKUP_FILENAME}"
 docker-compose up -d