diff --git a/Question.class.php b/Question.class.php
index 5479110..102b2b2 100644
--- a/Question.class.php
+++ b/Question.class.php
@@ -125,17 +125,17 @@ class Question
 
   public function getCourse()
   {
-    return $course;
+    return $this->course;
   }
 
   public function getQuestion()
   {
-    return $question;
+    return $this->question;
   }
 
   public function getAnswer()
   {
-    return $answers;
+    return $this->answers;
   }