diff --git a/phpBB/phpbb/captcha/plugins/legacy_wrapper.php b/phpBB/phpbb/captcha/plugins/legacy_wrapper.php
index abb26b34ba..8f8642b2b2 100644
--- a/phpBB/phpbb/captcha/plugins/legacy_wrapper.php
+++ b/phpBB/phpbb/captcha/plugins/legacy_wrapper.php
@@ -86,7 +86,7 @@ class legacy_wrapper implements plugin_interface
 	{
 		if (method_exists($this->legacy_captcha, 'init'))
 		{
-			$this->legacy_captcha->init($type);
+			$this->legacy_captcha->init($type->value);
 		}
 	}
 
diff --git a/phpBB/phpbb/captcha/plugins/qa.php b/phpBB/phpbb/captcha/plugins/qa.php
index 3e48df00b2..6e09aaaf13 100644
--- a/phpBB/phpbb/captcha/plugins/qa.php
+++ b/phpBB/phpbb/captcha/plugins/qa.php
@@ -40,7 +40,7 @@ class qa
 	protected $service_name;
 
 	/** @var int Question ID */
-	protected $question = -1;
+	private $question = -1;
 
 	/**
 	* Constructor