diff --git a/godot/control_scheme/controller.gd b/godot/control_scheme/controller.gd
index 4d5f769..0c36550 100644
--- a/godot/control_scheme/controller.gd
+++ b/godot/control_scheme/controller.gd
@@ -27,6 +27,8 @@ func frame_inc(frame: int):
 	time_targets[frame] = target
 
 func frames_change(_start: int, end: int):
+	if not time_targets.has(end):
+		return
 	if time_targets[end] != target:
 		set_target(time_targets[end].get_billiard())