diff --git a/vllm/spec_decode/ngram_worker.py b/vllm/spec_decode/ngram_worker.py
index fed8be42054a5..f18f9387f5b23 100644
--- a/vllm/spec_decode/ngram_worker.py
+++ b/vllm/spec_decode/ngram_worker.py
@@ -138,7 +138,7 @@ class NGramWorker(LoraNotSupportedWorkerBase):
                 SamplerOutput(
                     outputs=None,
                     sampled_token_probs=token_probs[i],
-                    logprobs=token_logprobs,
+                    logprobs=token_logprobs[i],
                     sampled_token_ids=token_ids[i],
                 ))
         return outputs, False