diff --git a/log.capnp b/log.capnp
index 473a9f6..5904c4e 100644
--- a/log.capnp
+++ b/log.capnp
@@ -1321,6 +1321,7 @@ struct LiveParametersData {
   angleOffsetAverageStd @11 :Float32;
   stiffnessFactorStd @12 :Float32;
   steerRatioStd @13 :Float32;
+  roll @14 :Float32;
 }
 
 struct LiveMapDataDEPRECATED {