diff --git a/libs/langchain-google-genai/src/tests/chat_models.int.test.ts b/libs/langchain-google-genai/src/tests/chat_models.int.test.ts
index 3d40e1d73425..66820bb2f859 100644
--- a/libs/langchain-google-genai/src/tests/chat_models.int.test.ts
+++ b/libs/langchain-google-genai/src/tests/chat_models.int.test.ts
@@ -16,8 +16,8 @@ import {
 import { StructuredTool } from "@langchain/core/tools";
 import { z } from "zod";
 import { FunctionDeclarationSchemaType } from "@google/generative-ai";
-import { ChatGoogleGenerativeAI } from "../chat_models.js";
 import { zodToJsonSchema } from "zod-to-json-schema";
+import { ChatGoogleGenerativeAI } from "../chat_models.js";
 import { removeAdditionalProperties } from "../utils/zod_to_genai_parameters.js";
 
 const dummyToolResponse = `[{"title":"Weather in New York City","url":"https://www.weatherapi.com/","content":"{'location': {'name': 'New York', 'region': 'New York', 'country': 'United States of America', 'lat': 40.71, 'lon': -74.01, 'tz_id': 'America/New_York', 'localtime_epoch': 1718659486, 'localtime': '2024-06-17 17:24'}, 'current': {'last_updated_epoch': 1718658900, 'last_updated': '2024-06-17 17:15', 'temp_c': 27.8, 'temp_f': 82.0, 'is_day': 1, 'condition': {'text': 'Partly cloudy', 'icon': '//cdn.weatherapi.com/weather/64x64/day/116.png', 'code': 1003}, 'wind_mph': 2.2, 'wind_kph': 3.6, 'wind_degree': 159, 'wind_dir': 'SSE', 'pressure_mb': 1021.0, 'pressure_in': 30.15, 'precip_mm': 0.0, 'precip_in': 0.0, 'humidity': 58, 'cloud': 25, 'feelslike_c': 29.0, 'feelslike_f': 84.2, 'windchill_c': 26.9, 'windchill_f': 80.5, 'heatindex_c': 27.9, 'heatindex_f': 82.2, 'dewpoint_c': 17.1, 'dewpoint_f': 62.8, 'vis_km': 16.0, 'vis_miles': 9.0, 'uv': 7.0, 'gust_mph': 18.3, 'gust_kph': 29.4}}","score":0.98192,"raw_content":null},{"title":"New York, NY Monthly Weather | AccuWeather","url":"https://www.accuweather.com/en/us/new-york/10021/june-weather/349727","content":"Get the monthly weather forecast for New York, NY, including daily high/low, historical averages, to help you plan ahead.","score":0.97504,"raw_content":null}]`;
@@ -510,7 +510,7 @@ test("removeAdditionalProperties can remove all instances of additionalPropertie
   function extractKeys(obj: Record<string, any>, keys: string[] = []) {
     for (const key in obj) {
       keys.push(key);
-      if (typeof obj[key] === 'object' && obj[key] !== null) {
+      if (typeof obj[key] === "object" && obj[key] !== null) {
         extractKeys(obj[key], keys);
       }
     }
@@ -518,24 +518,36 @@ test("removeAdditionalProperties can remove all instances of additionalPropertie
   }
 
   const idealResponseSchema = z.object({
-    idealResponse: z.string().optional().describe("The ideal response to the question"),
-  })
+    idealResponse: z
+      .string()
+      .optional()
+      .describe("The ideal response to the question"),
+  });
   const questionSchema = z.object({
     question: z.string().describe("Question text"),
-    type: z.enum(['singleChoice', 'multiChoice']).describe("Question type"),
+    type: z.enum(["singleChoice", "multiChoice"]).describe("Question type"),
     options: z.array(z.string()).describe("List of possible answers"),
-    correctAnswer: z.string().optional().describe("correct answer from the possible answers"),
-    idealResponses: z.array(idealResponseSchema).describe("Array of ideal responses to the question")
+    correctAnswer: z
+      .string()
+      .optional()
+      .describe("correct answer from the possible answers"),
+    idealResponses: z
+      .array(idealResponseSchema)
+      .describe("Array of ideal responses to the question"),
   });
-  
+
   const schema = z.object({
-    questions: z.array(questionSchema).describe("Array of question objects")
+    questions: z.array(questionSchema).describe("Array of question objects"),
   });
 
   const parsedSchemaArr = removeAdditionalProperties(zodToJsonSchema(schema));
   const arrSchemaKeys = extractKeys(parsedSchemaArr);
-  expect(arrSchemaKeys.find((key) => key === 'additionalProperties')).toBeUndefined();
+  expect(
+    arrSchemaKeys.find((key) => key === "additionalProperties")
+  ).toBeUndefined();
   const parsedSchemaObj = removeAdditionalProperties(zodToJsonSchema(schema));
   const arrSchemaObj = extractKeys(parsedSchemaObj);
-  expect(arrSchemaObj.find((key) => key === 'additionalProperties')).toBeUndefined();
-})
+  expect(
+    arrSchemaObj.find((key) => key === "additionalProperties")
+  ).toBeUndefined();
+});
diff --git a/libs/langchain-google-genai/src/utils/zod_to_genai_parameters.ts b/libs/langchain-google-genai/src/utils/zod_to_genai_parameters.ts
index 33081401cff2..31ca36fa9114 100644
--- a/libs/langchain-google-genai/src/utils/zod_to_genai_parameters.ts
+++ b/libs/langchain-google-genai/src/utils/zod_to_genai_parameters.ts
@@ -19,13 +19,18 @@ export interface GenerativeAIJsonSchemaDirty extends GenerativeAIJsonSchema {
     properties?: Record<string, GenerativeAIJsonSchemaDirty>;
     required?: string[];
     additionalProperties?: boolean;
-  }
+  };
   additionalProperties?: boolean;
 }
 
-export function removeAdditionalProperties(obj: Record<string, any>): GenerativeAIJsonSchema {
-  if (typeof obj === 'object' && obj !== null) {
-    if ("additionalProperties" in obj && typeof obj.additionalProperties === "boolean") {
+export function removeAdditionalProperties(
+  obj: Record<string, any>
+): GenerativeAIJsonSchema {
+  if (typeof obj === "object" && obj !== null) {
+    if (
+      "additionalProperties" in obj &&
+      typeof obj.additionalProperties === "boolean"
+    ) {
       delete obj.additionalProperties;
     }
 
@@ -33,7 +38,7 @@ export function removeAdditionalProperties(obj: Record<string, any>): Generative
       if (key in obj) {
         if (Array.isArray(obj[key])) {
           obj[key] = obj[key].map(removeAdditionalProperties);
-        } else if (typeof obj[key] === 'object' && obj[key] !== null) {
+        } else if (typeof obj[key] === "object" && obj[key] !== null) {
           obj[key] = removeAdditionalProperties(obj[key]);
         }
       }
@@ -49,9 +54,7 @@ export function zodToGenerativeAIParameters(
 ): GenerativeAIFunctionDeclarationSchema {
   // GenerativeAI doesn't accept either the $schema or additionalProperties
   // attributes, so we need to explicitly remove them.
-  const jsonSchema = removeAdditionalProperties(
-    zodToJsonSchema(zodObj)
-  );
+  const jsonSchema = removeAdditionalProperties(zodToJsonSchema(zodObj));
   const { $schema, ...rest } = jsonSchema;
 
   return rest as GenerativeAIFunctionDeclarationSchema;