diff --git a/closed_loop_AFC/jet_cylinder/ppo_controller.py b/closed_loop_AFC/jet_cylinder/ppo_controller.py
index 62dc737..b09e12f 100644
--- a/closed_loop_AFC/jet_cylinder/ppo_controller.py
+++ b/closed_loop_AFC/jet_cylinder/ppo_controller.py
@@ -385,9 +385,11 @@ def parse_args():
             logger.error("wandb is not installed, run `pip install gymprecice[vis]`")
             raise err
 
-    # TRY NOT TO MODIFY: seeding
+    # deterministic training
     random.seed(args.seed)
     np.random.seed(args.seed)
+    torch.manual_seed(args.seed)
+    torch.backends.cudnn.deterministic = args.torch_deterministic
 
     def make_env(options, idx, wrappers=None):
         def _make_env():
diff --git a/closed_loop_AFC/rotating_cylinder/ppo_controller.py b/closed_loop_AFC/rotating_cylinder/ppo_controller.py
index 5ef00e0..4a9dc3c 100644
--- a/closed_loop_AFC/rotating_cylinder/ppo_controller.py
+++ b/closed_loop_AFC/rotating_cylinder/ppo_controller.py
@@ -390,9 +390,11 @@ def parse_args():
             logger.error("wandb is not installed, run `pip install gymprecice[vis]`")
             raise err
 
-    # TRY NOT TO MODIFY: seeding
+    # deterministic training
     random.seed(args.seed)
     np.random.seed(args.seed)
+    torch.manual_seed(args.seed)
+    torch.backends.cudnn.deterministic = args.torch_deterministic
 
     def make_env(options, idx, wrappers=None):
         def _make_env():