add empty filter
diff --git a/metadata/service/server/shipper.yml b/metadata/service/server/shipper.yml
index 824646c..0b3052e 100644
--- a/metadata/service/server/shipper.yml
+++ b/metadata/service/server/shipper.yml
@@ -48,5 +48,5 @@
       encoder:
         heka-logfile:
           engine: RstEncoder
-      filter:
+      filter: {}