diff --git a/packages/duckdb-wasm/test/httpfs_test.ts b/packages/duckdb-wasm/test/httpfs_test.ts
index 3953effb9..a48a11a50 100644
--- a/packages/duckdb-wasm/test/httpfs_test.ts
+++ b/packages/duckdb-wasm/test/httpfs_test.ts
@@ -2,7 +2,7 @@ import * as duckdb from '../src/';
 import { getS3Params, S3Params, S3PayloadParams, createS3Headers, uriEncode, getHTTPUrl } from '../src/utils';
 import { AsyncDuckDBConnection, DuckDBBindings, DuckDBBindingsBase, DuckDBModule } from '../src/';
 import BROWSER_RUNTIME from '../src/bindings/runtime_browser';
-import {generateRandomString} from "./string_test_helper";
+import {generateLongQueryString} from "./string_test_helper";
 
 // S3 config for tests
 const BUCKET_NAME = 'test-bucket';
@@ -314,19 +314,18 @@ export function testHTTPFSAsync(
             ).toBeRejectedWithError('Invalid Error: File is not opened in write mode');
         });
 
-
         it('can read parquet file from URL with long query string', async () => {
-            const queryString = generateRandomString(1500);
+            const queryString = generateLongQueryString();
             const result = await conn!.query(
-                `select * from "${S3_ENDPOINT}/${BUCKET_NAME}/correct_auth_test.parquet?${queryString}";`,
+                `SELECT * FROM "${S3_ENDPOINT}/${BUCKET_NAME}/correct_auth_test.parquet?${queryString}";`,
             );
             expect(Number((result.getChildAt(0)?.get(6)))).toEqual(Number(29120));
         });
 
         it('can read csv file from URL with long query string', async () => {
-            const queryString = generateRandomString(1500);
+            const queryString = generateLongQueryString();
             const result = await conn!.query(
-                `select * from "${S3_ENDPOINT}/${BUCKET_NAME}/correct_auth_test.csv?${queryString}";`,
+                `SELECT * FROM "${S3_ENDPOINT}/${BUCKET_NAME}/correct_auth_test.csv?${queryString}";`,
             );
             expect(Number((result.getChildAt(0)?.get(6)))).toEqual(Number(29120));
         });
diff --git a/packages/duckdb-wasm/test/string_test_helper.ts b/packages/duckdb-wasm/test/string_test_helper.ts
index 6ca13168e..ebad5be99 100644
--- a/packages/duckdb-wasm/test/string_test_helper.ts
+++ b/packages/duckdb-wasm/test/string_test_helper.ts
@@ -1,3 +1,20 @@
+export function generateLongQueryString(): string {
+    const aaa = generateRandomString(512);
+    const ddd = generateRandomString(512);
+    const ccc = generateRandomString(256);
+    const eee = generateRandomString(128);
+    const ggg = generateRandomString(64);
+    const hhh = generateRandomString(32);
+
+    return `T=Long` +
+        `&T-AAA=${aaa}` +
+        `&T-CCC=${ccc}` +
+        `&T-DDD=${ddd}` +
+        `&T-EEE=${eee}` +
+        `&T-GGG=${ggg}` +
+        `&T-HHH=${hhh}`;
+}
+
 export function generateRandomString(length: number): string {
     const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
     let result = '';