diff --git a/composer.json b/composer.json
index 1be9702..f90c5aa 100644
--- a/composer.json
+++ b/composer.json
@@ -38,8 +38,7 @@
         }
     },
     "scripts": {
-        "test": "phpunit",
-        "coverage": "phpunit --coverage-html build/coverage/html"
+        "test": "phpunit --testdox"
     },
     "extra": {
         "branch-alias": {
diff --git a/src/AbstractNoCaptcha.php b/src/AbstractNoCaptcha.php
index 03eded6..87abf2e 100644
--- a/src/AbstractNoCaptcha.php
+++ b/src/AbstractNoCaptcha.php
@@ -152,6 +152,16 @@ public function setLang($lang)
         return $this;
     }
 
+    /**
+     * Get language code.
+     *
+     * @return string|null
+     */
+    public function getLang()
+    {
+        return $this->lang;
+    }
+
     /**
      * Set HTTP Request Client.
      *
@@ -279,7 +289,7 @@ abstract protected function parseResponse($json);
      */
     protected function hasLang()
     {
-        return ! empty($this->lang);
+        return ! empty($this->getLang());
     }
 
     /**
diff --git a/src/Contracts/NoCaptcha.php b/src/Contracts/NoCaptcha.php
index a6b8f70..093cded 100644
--- a/src/Contracts/NoCaptcha.php
+++ b/src/Contracts/NoCaptcha.php
@@ -23,7 +23,7 @@ interface NoCaptcha
      *
      * @param  \Arcanedev\NoCaptcha\Contracts\Utilities\Request  $request
      *
-     * @return self
+     * @return $this
      */
     public function setRequestClient(Request $request);
 
@@ -32,10 +32,17 @@ public function setRequestClient(Request $request);
      *
      * @param  string  $lang
      *
-     * @return self
+     * @return $this
      */
     public function setLang($lang);
 
+    /**
+     * Get language code.
+     *
+     * @return string|null
+     */
+    public function getLang();
+
     /* -----------------------------------------------------------------
      |  Main Methods
      | -----------------------------------------------------------------
diff --git a/src/NoCaptchaManager.php b/src/NoCaptchaManager.php
index 22a84a0..9c14eb6 100644
--- a/src/NoCaptchaManager.php
+++ b/src/NoCaptchaManager.php
@@ -84,7 +84,7 @@ protected function buildDriver(string $driver): NoCaptchaContract
         return $this->container->make($driver, [
             'secret'  => $this->config('secret'),
             'siteKey' => $this->config('sitekey'),
-            'locale'  => $this->config('lang') ?: $this->container->getLocale(),
+            'lang'    => $this->config('lang') ?: $this->container->getLocale(),
         ]);
     }
 
diff --git a/src/NoCaptchaV2.php b/src/NoCaptchaV2.php
index 6d075e1..4339325 100644
--- a/src/NoCaptchaV2.php
+++ b/src/NoCaptchaV2.php
@@ -45,7 +45,7 @@ private function getScriptSrc($callbackName = null)
         $queries = [];
 
         if ($this->hasLang())
-            Arr::set($queries, 'hl', $this->lang);
+            Arr::set($queries, 'hl', $this->getLang());
 
         if ($this->hasCallbackName($callbackName)) {
             Arr::set($queries, 'onload', $callbackName);
diff --git a/src/NoCaptchaV3.php b/src/NoCaptchaV3.php
index fcc2a5e..338c6b9 100644
--- a/src/NoCaptchaV3.php
+++ b/src/NoCaptchaV3.php
@@ -6,7 +6,6 @@
 
 use Arcanedev\Html\Elements\Input;
 use Arcanedev\NoCaptcha\Utilities\ResponseV3;
-use Illuminate\Support\Arr;
 
 /**
  * Class     NoCaptchaV3
@@ -128,12 +127,12 @@ private function getScriptSrc($callbackName = null)
         $queries = [];
 
         if ($this->hasLang())
-            Arr::set($queries, 'hl', $this->lang);
+            $queries['hl'] = $this->getLang();
 
-        Arr::set($queries, 'render', $this->getSiteKey());
+        $queries['render'] = $this->getSiteKey();
 
         if ($this->hasCallbackName($callbackName))
-            Arr::set($queries, 'onload', $callbackName);
+            $queries['onload'] = $callbackName;
 
         return $this->getClientUrl() . (count($queries) ? '?' . http_build_query($queries) : '');
     }
diff --git a/tests/Laravel/NoCaptchaManagerTest.php b/tests/Laravel/NoCaptchaManagerTest.php
index c4ef8dc..8dfd8d0 100644
--- a/tests/Laravel/NoCaptchaManagerTest.php
+++ b/tests/Laravel/NoCaptchaManagerTest.php
@@ -81,15 +81,16 @@ public function it_can_get_default_driver_via_helper(): void
     /** @test */
     public function it_can_get_driver_by_given_version(): void
     {
-        static::assertInstanceOf(
-            NoCaptchaV3::class,
-            $this->manager->version('v3')
-        );
+        $versions = [
+            'v3' => NoCaptchaV3::class,
+            'v2' => NoCaptchaV2::class,
+        ];
 
-        static::assertInstanceOf(
-            NoCaptchaV2::class,
-            $this->manager->version('v2')
-        );
+        foreach ($versions as $version => $class) {
+            $captcha = $this->manager->version();
+
+            static::assertInstanceOf(NoCaptchaV3::class, $captcha);
+        }
     }
 
     /** @test */
@@ -100,4 +101,22 @@ public function it_must_throw_exception_on_unsupported_version(): void
 
         $this->manager->version('v1');
     }
+
+    /** @test */
+    public function it_can_set_lang_from_locale()
+    {
+        $versions = [
+            'v3' => NoCaptchaV3::class,
+            'v2' => NoCaptchaV2::class,
+        ];
+
+        $this->app->setLocale('fr');
+
+        foreach ($versions as $version => $class) {
+            $captcha = $this->manager->version($version);
+
+            static::assertInstanceOf($class, $captcha);
+            static::assertSame('fr', $captcha->getLang());
+        }
+    }
 }