diff -r 2b49f7e40759 -r 1fd501277de2 Data/Sets/quiz.xml
--- a/Data/Sets/quiz.xml	mer. sept. 10 18:34:33 2014 +0200
+++ b/Data/Sets/quiz.xml	mer. sept. 10 18:40:03 2014 +0200
@@ -11,6 +11,7 @@
       <file>choices-radio_image.xml</file>
       <file>choices-check.xml</file>
       <file>choices-check_audio.xml</file>
+      <file>choices-check.xml</file>
       <file>blanks-fill.xml</file>
       <file>blanks-fill_strict.xml</file>
       <file>blanks-select.xml</file>