diff --git a/docs/docs/examples/agent/multi_document_agents.ipynb b/docs/docs/examples/agent/multi_document_agents.ipynb
index bca60563e91d76af0791ee06696c710132afbd91..923cfbf6264c388c4dd2ce4a0ac422943ef7a29c 100644
--- a/docs/docs/examples/agent/multi_document_agents.ipynb
+++ b/docs/docs/examples/agent/multi_document_agents.ipynb
@@ -271,8 +271,8 @@
     "    # build summary index\n",
     "    summary_index = SummaryIndex(nodes)\n",
     "    # define query engines\n",
-    "    vector_query_engine = vector_index.as_query_engine(llm=llm)\n",
-    "    summary_query_engine = summary_index.as_query_engine(llm=llm)\n",
+    "    vector_query_engine = vector_index.as_query_engine(llm=Settings.llm)\n",
+    "    summary_query_engine = summary_index.as_query_engine(llm=Settings.llm)\n",
     "\n",
     "    # define tools\n",
     "    query_engine_tools = [\n",