diff --git a/README.md b/README.md
index cecd771..a7d01e2 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ Role variables
 | pbs_datastore             | string  |                  |                                                                                      | mandatory       |
 | pbs_fingerprint           | string  |                  |                                                                                      | mandatory       |
 | pbs_password              | string  |                  |                                                                                      | mandatory       |
+| backup_host_id            | string  |                  |                                                                                      |                 |
 | backup_dir                | string  |                  |                                                                                      | mandatory       |
 | backup_local_retention    | string  |                  |                                                                                      | mandatory       |
 | backup_path_include       | dict    |                  |                                                                                      |                 |
diff --git a/templates/brain_backup.j2 b/templates/brain_backup.j2
index e670a64..16facf8 100644
--- a/templates/brain_backup.j2
+++ b/templates/brain_backup.j2
@@ -84,7 +84,7 @@ find $backup_dir -type d -ctime +$backup_local_retention -exec rm -rf {} \;
 
 ## send to PBS ##
 /usr/bin/proxmox-backup-client backup slash.pxar:/ \
---backup-id {{ ansible_hostname }} \
+--backup-id {{ backup_host_id | default({{ ansible_hostname }}) }} \
 {% if backup_path_include is defined %}
 {% for item in backup_path_include %}
 {% if item.fs_mount is defined %}--include-dev {{ item.path }} \{% endif %}