diff --git a/libs/langgraph/src/prebuilt/tool_node.ts b/libs/langgraph/src/prebuilt/tool_node.ts
index 5c8e2170..9e0bffdd 100644
--- a/libs/langgraph/src/prebuilt/tool_node.ts
+++ b/libs/langgraph/src/prebuilt/tool_node.ts
@@ -9,6 +9,7 @@ import { StructuredToolInterface } from "@langchain/core/tools";
 import { RunnableCallable } from "../utils.js";
 import { END } from "../graph/graph.js";
 import { MessagesAnnotation } from "../graph/messages_annotation.js";
+import { isGraphInterrupt } from "../errors.js";
 
 export type ToolNodeOptions = {
   name?: string;
@@ -187,6 +188,12 @@ export class ToolNode<T = any> extends RunnableCallable<T, T> {
           if (!this.handleToolErrors) {
             throw e;
           }
+          if (isGraphInterrupt(e.name)) {
+            // `NodeInterrupt` errors are a breakpoint to bring a human into the loop.
+            // As such, they are not recoverable by the agent and shouldn't be fed
+            // back. Instead, re-throw these errors even when `handleToolErrors = true`.
+            throw e;
+          }
           return new ToolMessage({
             content: `Error: ${e.message}\n Please fix your mistakes.`,
             name: call.name,