--- a/mod_muc_http_defaults/mod_muc_http_defaults.lua	Fri Feb 19 20:36:11 2021 +0100
+++ b/mod_muc_http_defaults/mod_muc_http_defaults.lua	Fri Feb 19 20:42:48 2021 +0100
@@ -36,7 +36,7 @@
 
 		-- COMPAT the room creator is unconditionally made 'owner'
 		-- clear existing affiliation
-		for existing_affiliation in pairs(room._affiliation) do
+		for existing_affiliation in pairs(room._affiliations) do
 			room:set_affiliation(true, existing_affiliation, "none");
 		end