diff --git a/examples/deep_research_api/introduction_to_deep_research_api.ipynb b/examples/deep_research_api/introduction_to_deep_research_api.ipynb
index 4d77945f39..ded11dd037 100644
--- a/examples/deep_research_api/introduction_to_deep_research_api.ipynb
+++ b/examples/deep_research_api/introduction_to_deep_research_api.ipynb
@@ -252,7 +252,7 @@
       "source": [
         "# Find the first web search step\n",
         "search = next(item for item in response.output if item.type == \"web_search_call\")\n",
-        "print(\"Query:\", search.action[\"query\"])\n",
+        "print(\"Query:\", search.action.query)\n",
         "print(\"Status:\", search.status)"
       ]
     },