diff --git a/unsloth/models/rl.py b/unsloth/models/rl.py
index e977d2f91e..24f503dc6a 100644
--- a/unsloth/models/rl.py
+++ b/unsloth/models/rl.py
@@ -553,7 +553,7 @@ def patch_functions(RLTrainer, trainer_file, RLTrainer_name, all_imports, import
                 "guided_decoding=guided_decoding,",
                 'guided_decoding='\
                 'GuidedDecodingParams(backend="outlines", regex=args.vllm_guided_decoding_regex) '\
-                'if getattr(args, "vllm_guided_decoding_regex", None) is not None else None',
+                'if getattr(args, "vllm_guided_decoding_regex", None) is not None else None,',
             )
             # Replace with our vLLM engine
             sampling_params = \