diff --git a/docs/reference/wingtip/armTemplates/auxiliary/policies.json b/docs/reference/wingtip/armTemplates/auxiliary/policies.json
index ce2f6cd38a..c6848a2a4b 100644
--- a/docs/reference/wingtip/armTemplates/auxiliary/policies.json
+++ b/docs/reference/wingtip/armTemplates/auxiliary/policies.json
@@ -8565,6 +8565,7 @@
                   },
                   "retentionInDays": {
                     "type": "string",
+                    "defaultValue": "30",
                     "metadata": {
                       "displayName": "Data retention",
                       "description": "Select data retention (days) for Log Analytics."