diff --git a/tests/pillar/heka_server_shipper.sls b/tests/pillar/heka_server_shipper.sls
index b9a1c86..3ac6560 100644
--- a/tests/pillar/heka_server_shipper.sls
+++ b/tests/pillar/heka_server_shipper.sls
@@ -17,6 +17,9 @@
         hostname_keep: TRUE
         tz: Europe/Prague
         type: rsyslog
+    encoder:
+      protobuf:
+        engine: protobuf
     output:
       rabbitmq:
         engine: amqp