fix _changes
diff --git a/src/fabric_rpc.erl b/src/fabric_rpc.erl
index 9ca4f62..afcf0e5 100644
--- a/src/fabric_rpc.erl
+++ b/src/fabric_rpc.erl
@@ -430,7 +430,7 @@
     } = Args,
     Conflicts = proplists:get_value(conflicts, Options, false),
     #doc_info{high_seq=Seq, revs=[#rev_info{deleted=Del}|_]} = DocInfo,
-    case [X || X <- couch_changes:filter(DocInfo, Acc), X /= null] of
+    case [X || X <- couch_changes:filter(Db, DocInfo, Acc), X /= null] of
     [] ->
         {ok, {Db, Seq, Args, Options}};
     Results ->