diff --git a/cereal/log.capnp b/cereal/log.capnp
index f2cd5686c..9f32d0775 100644
--- a/cereal/log.capnp
+++ b/cereal/log.capnp
@@ -1232,6 +1232,7 @@ struct DriverAssistance {
 struct LongitudinalPlan @0xe00b5b3eba12876c {
   modelMonoTime @9 :UInt64;
   hasLead @7 :Bool;
+  leadDistance @40 :Float32;
   fcw @8 :Bool;
   longitudinalPlanSource @15 :LongitudinalPlanSource;
   processingDelay @29 :Float32;