diff --git a/metadata/service/server/shipper.yml b/metadata/service/server/shipper.yml
index 5ce146c..f5df69d 100644
--- a/metadata/service/server/shipper.yml
+++ b/metadata/service/server/shipper.yml
@@ -41,10 +41,11 @@
           exchange_type: fanout
           encoder: ProtobufEncoder
           use_framing: true
+          message_matcher: "TRUE"
         heka-logfile:
           engine: logoutput
           encoder: RstEncoder
-          message_matcher: TRUE
+          message_matcher: "TRUE"
       encoder:
         heka-logfile:
           engine: RstEncoder