diff --git a/src/BotDetectCaptcha.php b/src/BotDetectCaptcha.php
index 9dbe751..808d10e 100644
--- a/src/BotDetectCaptcha.php
+++ b/src/BotDetectCaptcha.php
@@ -15,7 +15,7 @@ class BotDetectCaptcha
     /**
      * @var object
      */
-    private static $instance;
+    private static $instances = [];
 
     /**
      * BotDetect Laravel CAPTCHA package information.
@@ -32,7 +32,7 @@ class BotDetectCaptcha
      */
     public function __construct($configName, $captchaInstanceId = null)
     {
-        self::$instance = $this;
+        self::$instances[$configName] = $this;
 
         // load BotDetect Library
         LibraryLoader::load();
@@ -79,9 +79,9 @@ public function initCaptcha(array $config, $captchaInstanceId = null)
      *
      * @return object
      */
-    public static function getInstance()
+    public static function getInstance($configName)
     {
-        return self::$instance;
+        return array_key_exists($configName, self::$instances) ? self::$instances[$configName] : null;
     }
 
     public function __call($method, $args = array())
diff --git a/src/Support/helpers.php b/src/Support/helpers.php
index beaa99f..aa49502 100644
--- a/src/Support/helpers.php
+++ b/src/Support/helpers.php
@@ -69,7 +69,7 @@ function captcha_library_is_loaded()
      */
     function captcha_instance($captchaId)
     {
-        $captcha = BotDetectCaptcha::getInstance();
+        $captcha = BotDetectCaptcha::getInstance($captchaId);
         return (null !== $captcha) ? $captcha : new BotDetectCaptcha($captchaId);
     }
 }