diff --git a/lib/pivotstate/pivotstate.class.php b/lib/pivotstate/pivotstate.class.php
index 349c4846d4..6c41772088 100644
--- a/lib/pivotstate/pivotstate.class.php
+++ b/lib/pivotstate/pivotstate.class.php
@@ -233,6 +233,14 @@ class pivotState
      */
     public $pager;
 
+    /**
+     * changedWithoutSave
+     *
+     * @var bool
+     * @access public
+     */
+    public $changedWithoutSave = false;
+
     public function __construct($pivot, $drills = array())
     {
         $this->id        = $pivot->id;
diff --git a/module/pivot/lang/de.php b/module/pivot/lang/de.php
index a33c0cd055..73901c4112 100644
--- a/module/pivot/lang/de.php
+++ b/module/pivot/lang/de.php
@@ -274,6 +274,7 @@ $lang->pivot->pastDays   = 'Past Days';
 $lang->pivot->saveAsDataview = 'Save as Custom Table';
 
 $lang->pivot->confirmDelete = 'Do you want to delete this pivot table?';
+$lang->pivot->confirmLeave  = 'The current step is not saved. Are you sure you want to leave?';
 $lang->pivot->nameEmpty     = '『Name』should not be blank';
 
 $lang->pivot->noPivotTip      = 'After you save the Settings, you can display the pivot table';
diff --git a/module/pivot/lang/en.php b/module/pivot/lang/en.php
index ebf20c4a5f..c646679a66 100644
--- a/module/pivot/lang/en.php
+++ b/module/pivot/lang/en.php
@@ -274,6 +274,7 @@ $lang->pivot->pastDays   = 'Past Days';
 $lang->pivot->saveAsDataview = 'Save as Custom Table';
 
 $lang->pivot->confirmDelete = 'Do you want to delete this pivot table?';
+$lang->pivot->confirmLeave  = 'The current step is not saved. Are you sure you want to leave?';
 $lang->pivot->nameEmpty     = '『Name』should not be blank';
 
 $lang->pivot->noPivotTip      = 'After you save the Settings, you can display the pivot table';
diff --git a/module/pivot/lang/fr.php b/module/pivot/lang/fr.php
index 23b48acada..96d3fd2914 100644
--- a/module/pivot/lang/fr.php
+++ b/module/pivot/lang/fr.php
@@ -274,6 +274,7 @@ $lang->pivot->pastDays   = 'Past Days';
 $lang->pivot->saveAsDataview = 'Save as Custom Table';
 
 $lang->pivot->confirmDelete = 'Do you want to delete this pivot table?';
+$lang->pivot->confirmLeave  = 'The current step is not saved. Are you sure you want to leave?';
 $lang->pivot->nameEmpty     = '『Name』should not be blank';
 
 $lang->pivot->noPivotTip      = 'After you save the Settings, you can display the pivot table';
diff --git a/module/pivot/lang/zh-cn.php b/module/pivot/lang/zh-cn.php
index 0438e3b6c8..d343b26596 100644
--- a/module/pivot/lang/zh-cn.php
+++ b/module/pivot/lang/zh-cn.php
@@ -274,6 +274,7 @@ $lang->pivot->pastDays   = '距今天数';
 $lang->pivot->saveAsDataview = '存为中间表';
 
 $lang->pivot->confirmDelete = '您确认要删除吗?';
+$lang->pivot->confirmLeave  = '当前步骤未保存,确认要离开吗？';
 $lang->pivot->nameEmpty     = '『名称』不能为空';
 
 $lang->pivot->noPivotTip      = '保存设置后，即可显示透视表';