diff --git a/src/main/ui/static/analysis/clearing-log.js b/src/main/ui/static/analysis/clearing-log.js
index 4ee3f2e49..cb1429ab3 100644
--- a/src/main/ui/static/analysis/clearing-log.js
+++ b/src/main/ui/static/analysis/clearing-log.js
@@ -283,7 +283,7 @@ define(['angular', 'decimal', 'uiBootstrap', 'uiRouter', 'angularEcharts'], func
 
             $scope.packup = function(key) {
                 $scope.endIndexMap[key] = $scope.initEndIndex;
-                var length = $scope.clientsMap[key];
+                var length = $scope.clientsMap[key].clients;
                 if (length <= $scope.initEndIndex)
                     $scope.endIndexMap[key] = length;
             };