diff --git a/kipina-codebench/benchmark.mjs b/kipina-codebench/benchmark.mjs
index 2bad71c..76cf37c 100644
--- a/kipina-codebench/benchmark.mjs
+++ b/kipina-codebench/benchmark.mjs
@@ -104,7 +104,7 @@ async function ollamaChat(model, prompt, systemPrompt, maxTokens = 2048) {
             messages,
             stream: false,
             think: false,
-            options: { num_predict: maxTokens, temperature: 0.7, top_k: 40, repeat_penalty: 1.15 },
+            options: { num_predict: maxTokens, num_ctx: 16384, temperature: 0.7, top_k: 40, repeat_penalty: 1.15 },
         }),
     });
     if (!resp.ok) throw new Error(`Ollama HTTP ${resp.status}: ${await resp.text()}`);