diff --git a/packages/orchestration-service/src/routes/models.js b/packages/orchestration-service/src/routes/models.js
index bd835d4..1326e86 100644
--- a/packages/orchestration-service/src/routes/models.js
+++ b/packages/orchestration-service/src/routes/models.js
@@ -49,7 +49,7 @@ router.get('/props', async (req, res) => {
     if (!response.ok) throw new Error(`llama-server error: ${response.status}`);
     const data = await response.json();
     res.json({
-      contextWindow: data.n_ctx,
+      contextWindow: data.default_generation_settings?.n_ctx ?? null,
       modelAlias: data.model_alias,
     });
   } catch (err) {