diff --git a/benchmarl/algorithms/ippo.py b/benchmarl/algorithms/ippo.py
index c21c4faa..881d3d91 100644
--- a/benchmarl/algorithms/ippo.py
+++ b/benchmarl/algorithms/ippo.py
@@ -234,8 +234,8 @@ def process_batch(self, group: str, batch: TensorDictBase) -> TensorDictBase:
             loss = self.get_loss_and_updater(group)[0]
             loss.value_estimator(
                 batch,
-                params=loss.critic_params,
-                target_params=loss.target_critic_params,
+                params=loss.critic_network_params,
+                target_params=loss.target_critic_network_params,
             )
 
         return batch
diff --git a/benchmarl/algorithms/mappo.py b/benchmarl/algorithms/mappo.py
index 3dbfbed4..7e9031e4 100644
--- a/benchmarl/algorithms/mappo.py
+++ b/benchmarl/algorithms/mappo.py
@@ -238,8 +238,8 @@ def process_batch(self, group: str, batch: TensorDictBase) -> TensorDictBase:
             loss = self.get_loss_and_updater(group)[0]
             loss.value_estimator(
                 batch,
-                params=loss.critic_params,
-                target_params=loss.target_critic_params,
+                params=loss.critic_network_params,
+                target_params=loss.target_critic_network_params,
             )
 
         return batch