diff --git a/libs/langchain-anthropic/src/index.ts b/libs/langchain-anthropic/src/index.ts
index 7fdafd1bd51a..b45ffe6fb26b 100644
--- a/libs/langchain-anthropic/src/index.ts
+++ b/libs/langchain-anthropic/src/index.ts
@@ -1,2 +1,2 @@
 export * from "./chat_models.js";
-export { _convertMessagesToAnthropic } from "./utils/message_inputs.js";
+export { _convertMessagesToAnthropicPayload } from "./utils/message_inputs.js";