diff --git a/src/index.js b/src/index.js
index adde6f0..e172409 100644
--- a/src/index.js
+++ b/src/index.js
@@ -48,12 +48,12 @@ const fetch = (
       return reflect
         ? resolve({ isRejected: true, error })
         : resolve({
-          url,
-          html: '',
-          mode: 'fetch',
-          headers: error.response ? error.response.headers : {},
-          statusCode: error.response ? error.response.statusCode : undefined
-        })
+            url,
+            html: '',
+            mode: 'fetch',
+            headers: error.response ? error.response.headers : {},
+            statusCode: error.response ? error.response.statusCode : undefined
+          })
     }
   })
 
@@ -136,7 +136,7 @@ const isFetchMode = url =>
   autoDomains.includes(parseUrl(url).domainWithoutSuffix)
 
 const determinateMode = (url, { prerender }) => {
-  if (prerender === false || isMediaUrl(url)) return 'fetch'
+  if (prerender === false || isMediaUrl(url.toString())) return 'fetch'
   if (prerender === true) return 'prerender'
   return isFetchMode(url) ? 'fetch' : 'prerender'
 }
diff --git a/test/index.js b/test/index.js
index d4b18b7..4c5fe38 100644
--- a/test/index.js
+++ b/test/index.js
@@ -11,46 +11,50 @@ const wait = async (promise, prop) => {
   return prop ? res[prop] : res
 }
 
-test('reachable URL', async t => {
-  const url = 'https://example.com'
-  const [prerenderDisabled, prerenderEnabled] = await Promise.all([
-    getHTML(url, { prerender: false, getBrowserless }),
-    getHTML(url, {
-      prerender: true,
-      getBrowserless,
-      puppeteerOpts: { adblock: false }
-    })
-  ])
-
-  t.is(
-    await wait(
+;[
+  { title: 'from URL', url: 'https://example.com' },
+  { title: 'from URL instance', url: new URL('https://example.com') }
+].forEach(({ title, url }) => {
+  test(title, async t => {
+    const [prerenderDisabled, prerenderEnabled] = await Promise.all([
       getHTML(url, { prerender: false, getBrowserless }),
-      'statusCode'
-    ),
-    200
-  )
-  t.is(
-    await wait(
       getHTML(url, {
         prerender: true,
         getBrowserless,
         puppeteerOpts: { adblock: false }
-      }),
-      'statusCode'
-    ),
-    200
-  )
-
-  t.is(prerenderDisabled.statusCode, prerenderEnabled.statusCode)
-  t.is(prerenderDisabled.statusCode, 200)
-
-  t.true(Object.keys(prerenderDisabled.headers).length > 0)
-  t.true(Object.keys(prerenderEnabled.headers).length > 0)
-  t.is(typeof prerenderDisabled.headers, typeof prerenderEnabled.headers)
-
-  t.true(prerenderDisabled.html.length > 0)
-  t.true(prerenderEnabled.html.length > 0)
-  t.is(typeof prerenderDisabled.html, typeof prerenderEnabled.html)
+      })
+    ])
+
+    t.is(
+      await wait(
+        getHTML(url, { prerender: false, getBrowserless }),
+        'statusCode'
+      ),
+      200
+    )
+    t.is(
+      await wait(
+        getHTML(url, {
+          prerender: true,
+          getBrowserless,
+          puppeteerOpts: { adblock: false }
+        }),
+        'statusCode'
+      ),
+      200
+    )
+
+    t.is(prerenderDisabled.statusCode, prerenderEnabled.statusCode)
+    t.is(prerenderDisabled.statusCode, 200)
+
+    t.true(Object.keys(prerenderDisabled.headers).length > 0)
+    t.true(Object.keys(prerenderEnabled.headers).length > 0)
+    t.is(typeof prerenderDisabled.headers, typeof prerenderEnabled.headers)
+
+    t.true(prerenderDisabled.html.length > 0)
+    t.true(prerenderEnabled.html.length > 0)
+    t.is(typeof prerenderDisabled.html, typeof prerenderEnabled.html)
+  })
 })
 
 test('timeout URL', async t => {