diff --git a/roles/docker_s3_volume_restore/tasks/main.yml b/roles/docker_s3_volume_restore/tasks/main.yml
index 8c258a5..732a400 100644
--- a/roles/docker_s3_volume_restore/tasks/main.yml
+++ b/roles/docker_s3_volume_restore/tasks/main.yml
@@ -39,7 +39,8 @@
 
 - debug: msg="{{ container_s3_keys }}"
 #- set_fact: docker_volume_s3_restores="{{ [] }}"
-- set_fact: docker_volume_s3_restores="{{ docker_volume_s3_restores | default([]) + [ {'volume_name': item.0, 's3_key': item.1} ] }}"
+- set_fact:
+    docker_volume_s3_restores: "{{ docker_volume_s3_restores | default([]) + [ {'volume_name': item.0, 's3_key': item.1} ] }}"
   with_together:
     - "{{ docker_volume_s3_restores | map(attribute='volume_name') }}"
     - "{{ container_s3_keys }}"