diff --git a/src/main/java/org/olat/modules/quality/analysis/manager/QualityAnalysisServiceImpl.java b/src/main/java/org/olat/modules/quality/analysis/manager/QualityAnalysisServiceImpl.java
index 6a8ccbe7d4ca0fe8c7815215fa0bb7a1b717974a..a97a1d9c2e1c7f50d58b98241547ab5643ba78e6 100644
--- a/src/main/java/org/olat/modules/quality/analysis/manager/QualityAnalysisServiceImpl.java
+++ b/src/main/java/org/olat/modules/quality/analysis/manager/QualityAnalysisServiceImpl.java
@@ -322,7 +322,7 @@ public class QualityAnalysisServiceImpl implements QualityAnalysisService {
 		
 		List<String> identifiers = rubrics.stream().map(Rubric::getSliders).flatMap(s -> s.stream()).map(Slider::getId).collect(toList());
 		List<RawGroupedStatistic> statisticsList = filterDao.loadGroupedStatistic(searchParams,
-				identifiers, true, groupBy, temporalGroupBy);
+				identifiers, false, groupBy, temporalGroupBy);
 		GroupedStatistics<RawGroupedStatistic> rawStatistics = new GroupedStatistics<>(statisticsList);
 		GroupedStatistics<GroupedStatistic> statistics = statisticsCalculator.getGroupedStatistics(rawStatistics, rubrics);
 		return statisticsCalculator.getTrendsByMultiKey(statistics, temporalGroupBy);