diff --git a/src/ioc2rpz.erl b/src/ioc2rpz.erl
index 906794b..abc4ccd 100644
--- a/src/ioc2rpz.erl
+++ b/src/ioc2rpz.erl
@@ -988,7 +988,7 @@ gen_rpzrule(Domain,RPZ,TTL,<<"false">>,Action,_,PktHLen,T_ZIP_L) when Action==<<
     {error, _} ->
       {ok,0,[],[]};
     {_,BDomain} -> %ok, zip
-      {_,LocDataZ} = domstr_to_bin_zip({ok,LocData},0,PktHLen+10+byte_size(BDomain),T_ZIP_L), % what is 10??
+      {_,LocDataZ} = domstr_to_bin_zip({ok,[LocData]},0,PktHLen+10+byte_size(BDomain),T_ZIP_L), % what is 10??
 %			{_,LocDataZ} = domstr_to_bin(LocData,0),
       ELDS=byte_size(LocDataZ),
       {ok,1,[list_to_binary([BDomain,<<?T_CNAME:16,?C_IN:16, TTL:32,ELDS:16>>,LocDataZ])],[list_to_binary([<<?T_CNAME:16,?C_IN:16, TTL:32,ELDS:16>>,LocDataZ])]}