diff --git a/examples/summarize_rlhf/trlx_gptj_text_summarization.py b/examples/summarize_rlhf/trlx_gptj_text_summarization.py
index 9103ed87d..3c2dbe6f2 100755
--- a/examples/summarize_rlhf/trlx_gptj_text_summarization.py
+++ b/examples/summarize_rlhf/trlx_gptj_text_summarization.py
@@ -97,7 +97,7 @@ def reward_fn(samples: List[str], **kwargs):
     )
     config = TRLConfig.load_yaml(config_path)
 
-    tokenizer = AutoTokenizer.from_pretrained(config.model.tokenizer_path)
+    tokenizer = AutoTokenizer.from_pretrained(config.tokenizer.tokenizer_path)
     tokenizer.pad_token = tokenizer.eos_token
     tokenizer.padding_side = "left"
     max_length_input = (