diff --git a/libs/ardour/enums.cc b/libs/ardour/enums.cc
index e74a133bf5..673651d51e 100644
--- a/libs/ardour/enums.cc
+++ b/libs/ardour/enums.cc
@@ -443,6 +443,7 @@ setup_enum_writer ()
 	REGISTER (_Session_RecordState);
 
 	REGISTER_CLASS_ENUM (SessionEvent, SetTransportSpeed);
+	REGISTER_CLASS_ENUM (SessionEvent, SetDefaultPlaySpeed);
 	REGISTER_CLASS_ENUM (SessionEvent, Locate);
 	REGISTER_CLASS_ENUM (SessionEvent, LocateRoll);
 	REGISTER_CLASS_ENUM (SessionEvent, LocateRollLocate);
@@ -452,6 +453,7 @@ setup_enum_writer ()
 	REGISTER_CLASS_ENUM (SessionEvent, RangeStop);
 	REGISTER_CLASS_ENUM (SessionEvent, RangeLocate);
 	REGISTER_CLASS_ENUM (SessionEvent, Overwrite);
+	REGISTER_CLASS_ENUM (SessionEvent, OverwriteAll);
 	REGISTER_CLASS_ENUM (SessionEvent, Audition);
 	REGISTER_CLASS_ENUM (SessionEvent, SetPlayAudioRange);
 	REGISTER_CLASS_ENUM (SessionEvent, CancelPlayAudioRange);
@@ -461,6 +463,9 @@ setup_enum_writer ()
 	REGISTER_CLASS_ENUM (SessionEvent, SetTimecodeTransmission);
 	REGISTER_CLASS_ENUM (SessionEvent, Skip);
 	REGISTER_CLASS_ENUM (SessionEvent, SetTransportMaster);
+	REGISTER_CLASS_ENUM (SessionEvent, StartRoll);
+	REGISTER_CLASS_ENUM (SessionEvent, EndRoll);
+	REGISTER_CLASS_ENUM (SessionEvent, TransportStateChange);
 	REGISTER_CLASS_ENUM (SessionEvent, AutoLoop);
 	REGISTER (_SessionEvent_Type);