diff --git a/tianshou/highlevel/module/critic.py b/tianshou/highlevel/module/critic.py
index f1984e4..4eacef1 100644
--- a/tianshou/highlevel/module/critic.py
+++ b/tianshou/highlevel/module/critic.py
@@ -197,7 +197,11 @@ class CriticFactoryReuseActor(CriticFactory):
                 last_size=last_size,
             ).to(device)
         elif envs.get_type().is_continuous():
-            return continuous.Critic(actor.get_preprocess_net(), device=device).to(device)
+            return continuous.Critic(
+                actor.get_preprocess_net(),
+                device=device,
+                apply_preprocess_net_to_obs_only=True,
+            ).to(device)
         else:
             raise ValueError