diff --git a/src/Puppeteer.Plugin.Stealth.js b/src/Puppeteer.Plugin.Stealth.js
index 6056ed8..a571a65 100644
--- a/src/Puppeteer.Plugin.Stealth.js
+++ b/src/Puppeteer.Plugin.Stealth.js
@@ -2,4 +2,4 @@ import { PuppeteerExtra } from 'puppeteer-extra'
 import Stealth from 'puppeteer-extra-plugin-stealth'
 
 /** @type {(_: PuppeteerExtra) => () => PuppeteerExtra} */
-export const install = p => () => p.use(Stealth())
+export const install = p => () => p.use(Stealth({}))
diff --git a/src/Puppeteer.purs b/src/Puppeteer.purs
index fde2767..33f980c 100644
--- a/src/Puppeteer.purs
+++ b/src/Puppeteer.purs
@@ -18,7 +18,7 @@ import Prelude
 import Control.Promise (Promise)
 import Control.Promise as Promise
 import Data.Map (Map)
-import Data.Maybe (Maybe(..))
+import Data.Maybe (Maybe(..), fromMaybe)
 import Effect (Effect)
 import Effect.Aff (Aff)
 import Effect.Unsafe (unsafePerformEffect)
@@ -151,7 +151,7 @@ prepareLaunchOptions
           , handleSIGHUP: FFI.maybeToUndefined handleSIGHUP
           , handleSIGINT: FFI.maybeToUndefined handleSIGINT
           , handleSIGTERM: FFI.maybeToUndefined handleSIGTERM
-          , args: FFI.maybeToUndefined args
+          , args: fromMaybe [] args
           , debuggingPort: FFI.maybeToUndefined debuggingPort
           , devtools: FFI.maybeToUndefined devtools
           , headless: if headless then writeImpl "new" else writeImpl false
diff --git a/test/Puppeteer.Plugin.Spec.purs b/test/Puppeteer.Plugin.Spec.purs
index 3d22857..95f1562 100644
--- a/test/Puppeteer.Plugin.Spec.purs
+++ b/test/Puppeteer.Plugin.Spec.purs
@@ -92,8 +92,14 @@ spec = describe "Plugin" do
   describe "Stealth" do
     test "install" do
       pup <- Pup.new
-      void $ liftEffect $ Pup.Stealth.install pup
+      pup' <- liftEffect $ Pup.Stealth.install pup
+      b <- Pup.launch_ pup'
+      p <- Pup.Page.new b
+      pure unit
   describe "AnonymousUserAgent" do
     test "install" do
       pup <- Pup.new
-      void $ liftEffect $ Pup.AnonUA.install pup
+      pup' <- liftEffect $ Pup.AnonUA.install pup
+      b <- Pup.launch_ pup'
+      p <- Pup.Page.new b
+      pure unit