diff --git a/docker/container.backup b/docker/container.backup
index 4f9be9a..8ec63cd 100755
--- a/docker/container.backup
+++ b/docker/container.backup
@@ -3,7 +3,7 @@
 # Purpose {{{
 ## Backup data of a Docker container.
 ## To do that, the script will :
-##	Stop the corresponding container (or docker if no related service is found)
+##	Try to stop the corresponding container (or docker if no related service is found)
 ##	Make a archive of the container's data to a backup path
 ##	Clean old backup
 ##	Restart the container service (or docker.service)
@@ -60,6 +60,24 @@ esac
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Args management  — Path to store the backup : ${docker_backup_path} ."
 
 # }}}
+## Ensure Docker data directory exists {{{
+if [ ! -d "${docker_data_path}" ]; then
+	printf '\e[0;31m%-6s\e[m\n' "Docker data directory doesn't seems available : ${docker_data_path} ."
+	exit 1
+fi
+## }}}
+## Ensure backup directory exists {{{
+if [ ! -d "${docker_backup_path}" ]; then
+	printf '\e[0;31m%-6s\e[m\n' "Backup directory doesn't seems available : ${docker_backup_path} ."
+	exit 1
+fi
+## }}}
+## Ensure container data directory exists {{{
+if [ ! -d "${docker_data_path}/${ct_name}" ]; then
+	printf '\e[0;31m%-6s\e[m\n' "Container directory doesn't seems available : ${docker_data_path}/${ct_name} ."
+	exit 1
+fi
+## }}}
 
 # }}}