diff --git a/src/oss/langchain/quickstart.mdx b/src/oss/langchain/quickstart.mdx
index b358d17348..b457afa258 100644
--- a/src/oss/langchain/quickstart.mdx
+++ b/src/oss/langchain/quickstart.mdx
@@ -337,7 +337,7 @@ Let's walk through each step:
 
         const agent = createAgent({
           model: "anthropic:claude-sonnet-4-5",
-          prompt: systemPrompt,
+          systemPrompt: systemPrompt,
           tools: [getUserLocation, getWeather],
           responseFormat,
           checkpointer,
@@ -532,7 +532,7 @@ const checkpointer = new MemorySaver();
 // Create agent
 const agent = createAgent({
   model: "anthropic:claude-sonnet-4-5",
-  prompt: systemPrompt,
+  systemPrompt: systemPrompt,
   tools: [getUserLocation, getWeather],
   responseFormat,
   checkpointer,