diff --git a/unsloth/models/rl.py b/unsloth/models/rl.py
index 3e1b6993f8..d91a6680d4 100644
--- a/unsloth/models/rl.py
+++ b/unsloth/models/rl.py
@@ -288,7 +288,7 @@ def _patch_trl_rl_trainers(trainer_file = "grpo_trainer"):
     if trainer_file in RL_EXTRA_ARGS:
         process_extra_args = RL_EXTRA_ARGS[trainer_file]
         for process_extra_arg in process_extra_args:
-            extra_args += process_extra_args(call_args, extra_args)
+            extra_args += process_extra_arg(call_args, extra_args)
     pass
 
     # Create RLTrainer args