diff --git a/ansible/roles/prometheus-backup-v2/tasks/main.yml b/ansible/roles/prometheus-backup-v2/tasks/main.yml
index a8226001e417357bebb8969fe51591f678f78bb4..20206806ee6eccc4b4ee0cc23033f9ad3ac184b9 100644
--- a/ansible/roles/prometheus-backup-v2/tasks/main.yml
+++ b/ansible/roles/prometheus-backup-v2/tasks/main.yml
@@ -9,7 +9,7 @@
 
 - name: taking snapshot
   uri:
-    url: "{{ prometheus_url }}/api/v1/admin/tsdb/snapshot?skip_head=false"
+    url: "{{ prometheus_url }}/api/v1/admin/tsdb/snapshot?skip_head=True"
     method: POST
   register: snapshot