diff --git a/docker/container.backup b/docker/container.backup
index 9bcb87e..363e671 100755
--- a/docker/container.backup
+++ b/docker/container.backup
@@ -4,9 +4,9 @@
 ## Backup data of a Docker container.
 ## To do that, the script will :
 ##	Try to stop the corresponding systemd unit (or docker if no related service is found)
-##	TODO : Make a archive of the container's data to a backup path
-##	TODO : Clean old backup
+##	Make a archive of the container's data to a backup path
 ##	TODO : Restart the container service (or docker.service)
+##	TODO : Clean old backup
 # }}}
 # How-to use {{{
 ## First argument should be the absolut path to the container's data.
@@ -49,6 +49,8 @@ HELP
 esac
 
 ct_name=$(basename -- "${ct_data_path}")
+docker_data_path=$(dirname -- "${ct_data_path}")
+ct_backup_path="${docker_backup_path}/${ct_name}"
 ## }}}
 # }}}
 
@@ -87,5 +89,12 @@ fi
 # Stop the container service {{{
 systemctl stop "${ct_service_name}"
 # }}}
+# Backup container data {{{
+## Create the directory to store archive if doesn't already exist
+[ -d "${ct_backup_path}" ] || mkdir -p -- "${ct_backup_path}"
+
+## Backup container data
+tar czf "${ct_backup_path}/${ct_name}-backup.$(date '+%Y%m%d-%H%M').tar.gz" --directory "${docker_data_path}" "${ct_name}"
+# }}}
 
 exit 0