diff --git a/src/goods.ts b/src/goods.ts
index e63f23e11d9..0726da71be0 100644
--- a/src/goods.ts
+++ b/src/goods.ts
@@ -20,7 +20,7 @@ import { createInterface } from 'node:readline'
 import { $, within, ProcessOutput } from './core.js'
 import {
   Duration,
-  isNodeEighteenOrGreaterThanEighteen,
+  isNativeFetchExists,
   isString,
   parseDuration,
 } from './util.js'
@@ -56,7 +56,7 @@ export function sleep(duration: Duration) {
 }
 
 export async function globalFetch(url: RequestInfo, init?: RequestInit) {
-  if (isNodeEighteenOrGreaterThanEighteen) {
+  if (isNativeFetchExists) {
     $.log({ kind: 'fetch', url, init })
     return (globalThis as any).fetch(url, init)
   }
diff --git a/src/util.ts b/src/util.ts
index ade0a7caf0c..74353323f54 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -341,8 +341,7 @@ export function formatCmd(cmd?: string): string {
   return out + '\n'
 }
 
-export const isNodeEighteenOrGreaterThanEighteen =
-  process.versions && Number(process.versions.node.split('.')[0]) >= 18
+export const isNativeFetchExists = 'fetch' in globalThis;
 
 const reservedWords = [
   'if',
diff --git a/test/cli.test.js b/test/cli.test.js
index 300b5610d0c..6dfc077ac1a 100644
--- a/test/cli.test.js
+++ b/test/cli.test.js
@@ -15,7 +15,7 @@
 import { suite } from 'uvu'
 import * as assert from 'uvu/assert'
 import '../build/globals.js'
-import { isNodeEighteenOrGreaterThanEighteen } from './utils/test-utils.js'
+import { isNativeFetchExists } from './utils/test-utils.js'
 
 const test = suite('cli')
 
@@ -98,7 +98,7 @@ test('supports `--prefix` flag ', async () => {
 })
 
 test('scripts from https', async () => {
-  if (!isNodeEighteenOrGreaterThanEighteen) {
+  if (!isNativeFetchExists) {
     return true;
   }
   $`cat ${path.resolve('test/fixtures/echo.http')} | nc -l 8080`
@@ -107,7 +107,7 @@ test('scripts from https', async () => {
 })
 
 test('scripts from https not ok', async () => {
-  if (!isNodeEighteenOrGreaterThanEighteen) {
+  if (!isNativeFetchExists) {
     return true;
   }
   $`echo $'HTTP/1.1 500\n\n' | nc -l 8081`
diff --git a/test/goods.test.js b/test/goods.test.js
index 77ebbffe083..ed1becb5110 100644
--- a/test/goods.test.js
+++ b/test/goods.test.js
@@ -16,7 +16,7 @@ import chalk from 'chalk'
 import { suite } from 'uvu'
 import * as assert from 'uvu/assert'
 
-import { isNodeEighteenOrGreaterThanEighteen } from './utils/test-utils.js'
+import { isNativeFetchExists } from './utils/test-utils.js'
 import '../build/globals.js'
 
 const test = suite('goods')
@@ -50,7 +50,7 @@ test('globby available', async () => {
 })
 
 test('fetch() works', async () => {
-  if(!isNodeEighteenOrGreaterThanEighteen){
+  if(!isNativeFetchExists){
    return true; 
   }  
   assert.match(
diff --git a/test/utils/test-utils.js b/test/utils/test-utils.js
index 7e2a864e229..c75a0321539 100644
--- a/test/utils/test-utils.js
+++ b/test/utils/test-utils.js
@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const isNodeEighteenOrGreaterThanEighteen =
-  process.versions && Number(process.versions.node.split('.')[0]) >= 18
+const isNativeFetchExists = 'fetch' in globalThis;
 
-export { isNodeEighteenOrGreaterThanEighteen }
+export { isNativeFetchExists }