--- Revision None
+++ Revision 383339336564
@@ -0,0 +1,26 @@
+diff --git a/src/couch_replicator/src/couch_replicator_api_wrap.erl b/src/couch_replicator/src/couch_replicator_api_wrap.erl
+index 42f393e..b20ff72 100644
+--- a/src/couch_replicator/src/couch_replicator_api_wrap.erl
++++ b/src/couch_replicator/src/couch_replicator_api_wrap.erl
+@@ -314,7 +314,7 @@ changes_since(#httpdb{headers = Headers1} = HttpDb, Style, StartSeq,
+     true ->
+         [{"feed", "continuous"}]
+     end ++ [
+-        {"style", atom_to_list(Style)}, {"since", couch_util:to_list(StartSeq)},
++        {"style", atom_to_list(Style)}, {"since", seq_to_string(StartSeq)},
+         {"heartbeat", integer_to_list(HeartBeat)}
+     ],
+     DocIds = get_value(doc_ids, Options),
+@@ -383,6 +383,12 @@ changes_since(Db, Style, StartSeq, UserFun, Options) ->
+ 
+ % internal functions
+ 
++seq_to_string([Num, Bin]) when is_integer(Num), is_binary(Bin) ->
++    % BigCouch
++    integer_to_list(Num) ++ "-" ++ ?b2l(Bin);
++seq_to_string(Seq) ->
++    couch_util:to_list(Seq).
++
+ maybe_add_changes_filter_q_args(BaseQS, Options) ->
+     case get_value(filter, Options) of
+     undefined ->