diff --git a/animatediff/nodes_gen2.py b/animatediff/nodes_gen2.py
index b79b828..a4cd9eb 100644
--- a/animatediff/nodes_gen2.py
+++ b/animatediff/nodes_gen2.py
@@ -62,6 +62,8 @@ class UseEvolvedSamplingNode:
         # if autoselect, get suggested beta_schedule from motion model
         if beta_schedule == BetaSchedules.AUTOSELECT and not model.motion_models.is_empty():
             beta_schedule = model.motion_models[0].model.get_best_beta_schedule(log=True)
+        else:
+            beta_schedule = BetaSchedules.USE_EXISTING
         new_model_sampling = BetaSchedules.to_model_sampling(beta_schedule, model)
         if new_model_sampling is not None:
             model.add_object_patch("model_sampling", new_model_sampling)