diff --git a/roles/custom/matrix-backup-borg/templates/config.yaml.j2 b/roles/custom/matrix-backup-borg/templates/config.yaml.j2
index 210b7a65a..105c0ce1f 100644
--- a/roles/custom/matrix-backup-borg/templates/config.yaml.j2
+++ b/roles/custom/matrix-backup-borg/templates/config.yaml.j2
@@ -34,7 +34,7 @@ hooks:
     hostname: {{ matrix_backup_borg_postgresql_databases_hostname|to_json }}
     username: {{ matrix_backup_borg_postgresql_databases_username|to_json }}
     password: {{ matrix_backup_borg_postgresql_databases_password|to_json }}
-    port: {{ matrix_backup_borg_postgresql_databases_port|to_json }}
+    port: {{ matrix_backup_borg_postgresql_databases_port | int | to_json }}
   {% endfor %}
 {% endif %}
   after_backup: