diff --git a/main/inc/lib/tracking.lib.php b/main/inc/lib/tracking.lib.php
index de0c1db593..ec657f573e 100644
--- a/main/inc/lib/tracking.lib.php
+++ b/main/inc/lib/tracking.lib.php
@@ -296,9 +296,8 @@ class Tracking {
 		}
 
 		$totalScore = $lp_scorm_score_total;
-		$totalWeighting = $lp_scorm_weighting_total + 100;
 
-		$pourcentageScore = round(($totalScore * 100) / $totalWeighting);
+		$pourcentageScore = round(($totalScore * 100) / $lp_scorm_weighting_total);
 
 		return $pourcentageScore;
 	}