diff --git a/bbsim/values.yaml b/bbsim/values.yaml
index 1cba525..d6b0272 100644
--- a/bbsim/values.yaml
+++ b/bbsim/values.yaml
@@ -38,6 +38,7 @@
 # default, only-onu, only-pon, both
 controlledActivation: default
 omci_response_rate: 10
+bp_format: mef
 
 # TODO read this values in the config
 olt_tcp_port: 50060