diff --git a/roles/lvm_self_backup/templates/backup-lvm.service b/roles/lvm_self_backup/templates/backup-lvm.service
index 6a0a1fd..a56c69b 100644
--- a/roles/lvm_self_backup/templates/backup-lvm.service
+++ b/roles/lvm_self_backup/templates/backup-lvm.service
@@ -23,7 +23,7 @@ ExecStopPost=/usr/bin/docker rm --force duplicity-backup-lvm
 
 # Unmount snapshots
 {% for item in lvm_self_backup_vols %}
-ExecStopPost=/usr/bin/umount /dev/{{ item.vg_name }}/{{ item.lv_name }}_snap
+ExecStopPost=/usr/bin/umount /dev/{{ item.vg_name }}/{{ item.lv_name }}_snap || true
 {% endfor %}
 
 # Remove snapshots