diff --git a/grails-app/services/au/org/ala/ecodata/SiteService.groovy b/grails-app/services/au/org/ala/ecodata/SiteService.groovy
index 06cc655fe..ee25d59ed 100644
--- a/grails-app/services/au/org/ala/ecodata/SiteService.groovy
+++ b/grails-app/services/au/org/ala/ecodata/SiteService.groovy
@@ -278,6 +278,8 @@ class SiteService {
             log.info("Unable to get simplified project area geometry (site ${site.siteId}")
         }
 
+        // remove extent to not avoid total fields limit in ES
+        site?.remove('extent')
         site
     }