diff --git a/configs/bbsim.yaml b/configs/bbsim.yaml
index 6265e5c..6fb4676 100644
--- a/configs/bbsim.yaml
+++ b/configs/bbsim.yaml
@@ -24,6 +24,7 @@
   # log_caller: false
   # delay: 200
   # kafka_event_topic: ""
+  bp_format: "mef"
 
 # OLT device settings
 olt: