diff --git a/main/newscorm/lp_view.php b/main/newscorm/lp_view.php
index a749a30e5c..1064bce67f 100644
--- a/main/newscorm/lp_view.php
+++ b/main/newscorm/lp_view.php
@@ -67,8 +67,10 @@ $lp_item_id = $_SESSION['oLP']->get_current_item_id();
 
 //Prepare variables for the test tool (just in case) - honestly, this should disappear later on
 $_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
+//reinit exercises variables to avoid spacename clashes (see exercise tool)
 api_session_unregister($exerciseResult);
-
+api_session_unregister($objExercise);
+api_session_unregister($questionList);
 /**
  * Get a link to the corresponding document
  */