diff --git a/libs/ardour/enums.cc b/libs/ardour/enums.cc
index 1b0a6a4879..67027fa20b 100644
--- a/libs/ardour/enums.cc
+++ b/libs/ardour/enums.cc
@@ -375,9 +375,14 @@ setup_enum_writer ()
 	REGISTER_CLASS_ENUM (SessionEvent, InputConfigurationChange);
 	REGISTER_CLASS_ENUM (SessionEvent, SetPlayAudioRange);
 	REGISTER_CLASS_ENUM (SessionEvent, CancelPlayAudioRange);
+	REGISTER_CLASS_ENUM (SessionEvent, RealTimeOperation);
+	REGISTER_CLASS_ENUM (SessionEvent, AdjustPlaybackBuffering);
+	REGISTER_CLASS_ENUM (SessionEvent, AdjustCaptureBuffering);
+	REGISTER_CLASS_ENUM (SessionEvent, SetTimecodeTransmission);
+	REGISTER_CLASS_ENUM (SessionEvent, Skip);
 	REGISTER_CLASS_ENUM (SessionEvent, StopOnce);
 	REGISTER_CLASS_ENUM (SessionEvent, AutoLoop);
-	REGISTER_CLASS_ENUM (SessionEvent, Skip);
+	REGISTER_CLASS_ENUM (SessionEvent, AutoLoopDeclick);
 	REGISTER (_SessionEvent_Type);
 
 	REGISTER_CLASS_ENUM (Session, Stopped);