diff --git a/examples/src/models/chat/integration_openai_parallel_tool_calls.ts b/examples/src/models/chat/integration_openai_parallel_tool_calls.ts
index 3ffe577872fc..dad8f5cd4fc5 100644
--- a/examples/src/models/chat/integration_openai_parallel_tool_calls.ts
+++ b/examples/src/models/chat/integration_openai_parallel_tool_calls.ts
@@ -17,7 +17,7 @@ const calculatorSchema = z
   .describe("A tool to perform basic arithmetic operations");
 const weatherSchema = z
   .object({
-    city: z.enum(["add", "subtract", "multiply", "divide"]),
+    city: z.string(),
   })
   .describe("A tool to get the weather in a city");