diff --git a/main/gradebook/lib/fe/displaygradebook.php b/main/gradebook/lib/fe/displaygradebook.php
index 3a22cb25d2..4270e3d41d 100755
--- a/main/gradebook/lib/fe/displaygradebook.php
+++ b/main/gradebook/lib/fe/displaygradebook.php
@@ -53,7 +53,7 @@ class DisplayGradebook
 		}
 
 		$evalinfo= '<table width="100%" border="0"><tr><td>';
-		$evalinfo .= get_lang('EvaluationName') . ' :<b> ' . $evalobj->get_name() . ' </b>(' . api_convert_and_format_date($evalobj->get_date()).' )<br />' . get_lang('Course') . ' :<b> ' . $course . '</b><br>' . get_lang('Weight') . ' :<b> ' . $evalobj->get_weight() . '</b><br>' . get_lang('QualificationNumeric') . ' :<b> ' . $evalobj->get_max() . '</b><br>' . $description . get_lang('Visible') . ' :<b> ' . $visible . '</b><br>' . $average;
+		$evalinfo .= get_lang('EvaluationName') . ' :<b> ' . $evalobj->get_name() . ' </b>(' . api_format_date($evalobj->get_date()).' )<br />' . get_lang('Course') . ' :<b> ' . $course . '</b><br>' . get_lang('Weight') . ' :<b> ' . $evalobj->get_weight() . '</b><br>' . get_lang('QualificationNumeric') . ' :<b> ' . $evalobj->get_max() . '</b><br>' . $description . get_lang('Visible') . ' :<b> ' . $visible . '</b><br>' . $average;
 		if (!$evalobj->has_results())
 			$evalinfo .= '<br /><i>' . get_lang('NoResultsInEvaluation') . '</i>';
 		elseif ($scoredisplay->is_custom() && api_get_self() != '/dokeos/main/gradebook/gradebook_statistics.php')