diff --git a/unsloth/models/rl_replacements.py b/unsloth/models/rl_replacements.py
index 281e3a71df..6584e2a426 100644
--- a/unsloth/models/rl_replacements.py
+++ b/unsloth/models/rl_replacements.py
@@ -510,7 +510,7 @@ def grpo_trainer__get_per_token_logps_and_entropies(function_name, function):
 
             os.environ["UNSLOTH_RETURN_HIDDEN_STATES"] = "0"
             # logits = logits[:, :-1, :]  # (B, L-1, V), exclude the last logit: it corresponds to the next token pred
-            return logits, entropies  # logps, entropies
+            return logits.detach(), entropies  # logps, entropies
             # input_ids = input_ids[:, -logits_to_keep:]
             # For transformers<=4.48, logits_to_keep argument isn't supported, so here we drop logits ourselves.
             # See https://github.com/huggingface/trl/issues/2770