diff --git a/tests/test_sft_trainer.py b/tests/test_sft_trainer.py
index 924010c6f4d..25e3c7ccd2b 100644
--- a/tests/test_sft_trainer.py
+++ b/tests/test_sft_trainer.py
@@ -321,6 +321,7 @@ def test_init_auto_processing_class_uses_model_revision(self):
             ),
             "trl-internal-testing/tiny-GptOssForCausalLM",
             "trl-internal-testing/tiny-Qwen2ForCausalLM-2.5",
+            "trl-internal-testing/tiny-Qwen2ForCausalLM-R1-Distill",
             "trl-internal-testing/tiny-Qwen3MoeForCausalLM",
             pytest.param(
                 "trl-internal-testing/tiny-NemotronHForCausalLM-nano",