diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 1392742098..ebafd74557 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -157,20 +157,21 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 	struct UIState {
 		std::atomic<unsigned int> generation; /* used for CAS */
 
-		LaunchStyle launch_style;
-		FollowAction follow_action0;
-		FollowAction follow_action1;
-		int follow_action_probability; /* 1 .. 100 */
-		uint32_t follow_count;
-		Temporal::BBT_Offset quantization;
-		Temporal::BBT_Offset follow_length;
-		bool use_follow_length;
-		bool legato;
-		gain_t gain;
-		float velocity_effect;
-		bool stretchable;
-		bool cue_isolated;
-		StretchMode stretch_mode;
+		LaunchStyle launch_style = OneShot;
+		FollowAction follow_action0 = FollowAction (FollowAction::Again);
+		FollowAction follow_action1 = FollowAction (FollowAction::Stop);
+		int follow_action_probability = 0;
+		uint32_t follow_count = 1;
+		Temporal::BBT_Offset quantization = Temporal::BBT_Offset (1, 0, 0);
+		Temporal::BBT_Offset follow_length = Temporal::BBT_Offset (1, 0, 0);
+		bool use_follow_length = false;
+		bool legato = false;
+		gain_t gain = 1.0;
+		float velocity_effect = 0;
+		bool stretchable = true;
+		bool cue_isolated = false;
+		StretchMode stretch_mode = Trigger::Crisp;
+
 
 		UIState() : generation (0) {}