diff --git a/Duplicati/Server/webroot/ngax/scripts/controllers/HomeController.js b/Duplicati/Server/webroot/ngax/scripts/controllers/HomeController.js
index 12c40e917..1a5a26dc5 100644
--- a/Duplicati/Server/webroot/ngax/scripts/controllers/HomeController.js
+++ b/Duplicati/Server/webroot/ngax/scripts/controllers/HomeController.js
@@ -45,6 +45,9 @@ backupApp.controller('HomeController', function ($scope, $location, BackupList,
     };
 
     $scope.formatDuration = function(duration) {
-        return duration.substring(0, duration.length - duration.indexOf("."));
+        if (duration != null && duration.indexOf(".") > 0)
+            return duration.substring(0, duration.length - duration.indexOf("."));
+        else
+            return duration;
     };
 });
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