diff --git a/dreamer4/trainers.py b/dreamer4/trainers.py
index 7004bd4..bb4b198 100644
--- a/dreamer4/trainers.py
+++ b/dreamer4/trainers.py
@@ -396,13 +396,20 @@ class SimTrainer(Module):
         old_values = experience.values
         rewards = experience.rewards
 
+        has_agent_embed = exists(experience.agent_embed)
+        agent_embed = experience.agent_embed
+
         discrete_actions, continuous_actions = experience.actions
         discrete_log_probs, continuous_log_probs = experience.log_probs
 
+        discrete_old_action_unembeds, continuous_old_action_unembeds = default(experience.old_action_unembeds, (None, None))
+
         # handle empties
 
         empty_tensor = torch.empty_like(rewards)
 
+        agent_embed = default(agent_embed, empty_tensor)
+
         has_discrete = exists(discrete_actions)
         has_continuous = exists(continuous_actions)
 
@@ -412,6 +419,9 @@ class SimTrainer(Module):
         discrete_log_probs = default(discrete_log_probs, empty_tensor)
         continuous_log_probs = default(continuous_log_probs, empty_tensor)
 
+        discrete_old_action_unembeds = default(discrete_old_action_unembeds, empty_tensor)
+        continuous_old_action_unembeds = default(discrete_old_action_unembeds, empty_tensor)
+
         # create the dataset and dataloader
 
         dataset = TensorDataset(
@@ -420,6 +430,9 @@ class SimTrainer(Module):
             continuous_actions,
             discrete_log_probs,
             continuous_log_probs,
+            agent_embed,
+            discrete_old_action_unembeds,
+            continuous_old_action_unembeds,
             old_values,
             rewards
         )
@@ -434,6 +447,9 @@ class SimTrainer(Module):
                 continuous_actions,
                 discrete_log_probs,
                 continuous_log_probs,
+                agent_embed,
+                discrete_old_action_unembeds,
+                continuous_old_action_unembeds,
                 old_values,
                 rewards
             ) in dataloader:
@@ -448,10 +464,17 @@ class SimTrainer(Module):
                     continuous_log_probs if has_continuous else None
                 )
 
+                old_action_unembeds = (
+                    discrete_old_action_unembeds if has_discrete else None,
+                    continuous_old_action_unembeds if has_continuous else None
+                )
+
                 batch_experience = Experience(
                     latents = latents,
                     actions = actions,
                     log_probs = log_probs,
+                    agent_embed = agent_embed if has_agent_embed else None,
+                    old_action_unembeds = old_action_unembeds,
                     values = old_values,
                     rewards = rewards,
                     step_size = step_size,
diff --git a/pyproject.toml b/pyproject.toml
index e68d8af..f583388 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dreamer4"
-version = "0.0.95"
+version = "0.0.96"
 description = "Dreamer 4"
 authors = [
     { name = "Phil Wang", email = "lucidrains@gmail.com" }