--- a/mod_audit/mod_audit.lua	Fri Apr 07 12:09:21 2023 +0100
+++ b/mod_audit/mod_audit.lua	Fri Apr 07 13:09:31 2023 +0100
@@ -102,7 +102,7 @@
 			end
 		end
 		if extra.custom then
-			for _, child in extra.custom do
+			for _, child in ipairs(extra.custom) do
 				if not st.is_stanza(child) then
 					error("all extra.custom items must be stanzas")
 				end