Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java
===================================================================
diff -u -re4a18240e90b1bff3c0141abc9e711fb54b76d51 -rd72e0ae576eae16c7e1104e90cfb3770dd5f3282
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision e4a18240e90b1bff3c0141abc9e711fb54b76d51)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision d72e0ae576eae16c7e1104e90cfb3770dd5f3282)
@@ -2000,7 +2000,7 @@
 
 		    List<ToolActivity> lessonActivities = lessonActivitiesMap.get(lesson.getLessonId());
 		    int numberActivities = lessonActivities.size();
-		    lessonsNames.addEmptyCells(9 + numberActivities + (isSubcourse ? -2 : 0));
+		    lessonsNames.addEmptyCells(8 + numberActivities * 2 + (isSubcourse ? -2 : 0));
 		}
 
 		lessonsNames.addCell(getMessage("label.overall.totals"), true, ExcelCell.BORDER_STYLE_LEFT_THICK);