diff --git a/exercises/cloze_exercise.php b/exercises/cloze_exercise.php
index c23b4a5ff8635bf5a0e2b06815e50499a340c3d2..3fceddfb604b2dd903216507b46f0af2fac4fa89 100644
--- a/exercises/cloze_exercise.php
+++ b/exercises/cloze_exercise.php
@@ -214,7 +214,7 @@ class cloze_exercise extends Exercise
     }
 
     /**
-     * Returns all currenty unassigned answers for the given solution.
+     * Returns all currently unassigned answers for the given solution.
      */
     public function availableAnswers($solution)
     {
@@ -227,7 +227,7 @@ class cloze_exercise extends Exercise
 
                 if ($i !== false) {
                     unset($response[$i]);
-                } else {
+                } else if ($option['text'] !== '') {
                     $answers[] = $option['text'];
                 }
             }