diff --git a/ffnw-node-info/check_site.lua b/ffnw-node-info/check_site.lua
index b084902b368beb26b239fe880f547ff60ada7928..77f371ccd8854812e8e84ff6bba1f6e522c94737 100644
--- a/ffnw-node-info/check_site.lua
+++ b/ffnw-node-info/check_site.lua
@@ -1,2 +1,3 @@
 need_string('roles.default', false)
 need_string('location.autolocation', false)
+nedd_string('location.interval', false)