diff --git a/Duplicati/Server/webroot/ngax/scripts/controllers/StateController.js b/Duplicati/Server/webroot/ngax/scripts/controllers/StateController.js
index c8c0980ff..2c32d8f85 100644
--- a/Duplicati/Server/webroot/ngax/scripts/controllers/StateController.js
+++ b/Duplicati/Server/webroot/ngax/scripts/controllers/StateController.js
@@ -34,8 +34,8 @@ backupApp.controller('StateController', function($scope, $timeout, ServerStatus,
                     pg = 0;
                 } else {
                     var filesleft = $scope.state.lastPgEvent.TotalFileCount - $scope.state.lastPgEvent.ProcessedFileCount;
-                    var sizeleft = $scope.state.lastPgEvent.TotalFileSize - $scope.state.lastPgEvent.ProcessedFileSize;
-                    pg = $scope.state.lastPgEvent.ProcessedFileSize / $scope.state.lastPgEvent.TotalFileSize;
+                    var sizeleft = $scope.state.lastPgEvent.TotalFileSize - $scope.state.lastPgEvent.ProcessedFileSize - $scope.state.lastPgEvent.CurrentFileoffset;
+                    pg = ($scope.state.lastPgEvent.ProcessedFileSize + $scope.state.lastPgEvent.CurrentFileoffset) / $scope.state.lastPgEvent.TotalFileSize;
 
                     if ($scope.state.lastPgEvent.ProcessedFileCount == 0)
                         pg = 0;