diff --git a/roles/base/tasks/sshcerts.yml b/roles/base/tasks/sshcerts.yml
index 982fba8745..905ed88871 100644
--- a/roles/base/tasks/sshcerts.yml
+++ b/roles/base/tasks/sshcerts.yml
@@ -83,7 +83,7 @@
 - name: Set some extra signing facts
   set_fact:
     sign_hostnames: "{{ssh_hostnames}} + ['{{inventory_hostname}}']"
-    sign_validity: "-1h:+52w5y"
+    sign_validity: "-1h:+52w"
   when: env == "staging"
   tags:
   - sshd_config