diff --git a/playbooks/manual/upgrade/odcs.yml b/playbooks/manual/upgrade/odcs.yml
index 0ef92f8dbf..c81daac854 100644
--- a/playbooks/manual/upgrade/odcs.yml
+++ b/playbooks/manual/upgrade/odcs.yml
@@ -6,7 +6,7 @@
    - "/srv/private/ansible/vars.yml"
    - /srv/web/infra/ansible/vars/{{ ansible_distribution }}.yml
   vars:
-    testing: {{ env == "staging" }}
+    testing: "{{ env == 'staging' }}"
   handlers:
   - import_tasks: "{{ handlers_path }}/restart_services.yml"
 
@@ -33,7 +33,7 @@
    - "/srv/private/ansible/vars.yml"
    - /srv/web/infra/ansible/vars/{{ ansible_distribution }}.yml
   vars:
-    testing: {{ env == "staging" }}
+    testing: "{{ env == 'staging' }}"
   handlers:
   - import_tasks: "{{ handlers_path }}/restart_services.yml"