diff --git a/js/app/views/PlotComponents/PlotTabContent.js b/js/app/views/PlotComponents/PlotTabContent.js
index edce35d..db3dcf6 100644
--- a/js/app/views/PlotComponents/PlotTabContent.js
+++ b/js/app/views/PlotComponents/PlotTabContent.js
@@ -189,7 +189,7 @@ Ext.define('amdaPlotComp.PlotTabContent', {
 
     updateUI : function() {
         this.plotOutput.setObject(this.plotNode.get('object'));
-        var descField = Ext.getCmp('plot_description');
+        var descField = this.descriptionCase.items.items[0];
         descField.setValue(this.plotNode.get('object').get('description'));
         this.timeSelector.intervalSel.setInterval(this.plotNode.get('object').get('startDate'), this.plotNode.get('object').get('stopDate'));
 	this.timeSelector.intervalSel.updateStop();
@@ -216,8 +216,7 @@ Ext.define('amdaPlotComp.PlotTabContent', {
         this.plotElement = new amdaPlotComp.PlotElementPanel({flex: 12});
         this.treePlot = new amdaPlotComp.PlotTree({flex: 11, plotElementPanel: this.plotElement});
         this.plotOutput = new amdaPlotComp.PlotOutputForm({flex: 8, collapseDirection : 'bottom', collapsible : true });
-        this.descriptionCase = {
-            xtype:'fieldset',
+        this.descriptionCase = new Ext.form.FieldSet({
             title:'Request description',
             collapsible:true,
             collapsed:true,
@@ -226,8 +225,8 @@ Ext.define('amdaPlotComp.PlotTabContent', {
             border:false, 
             layout:'fit',
             items:[{ xtype: 'descriptionfield', name: 'description', 
-            id:'plot_description',emptyText:'Description', fieldLabel: ''}]
-        };
+            emptyText:'Description', fieldLabel: ''}]
+        });
 
         var treePanel = new Ext.form.Panel({
             flex: 1,
--
libgit2 0.21.2