diff --git a/addons/pad/static/src/js/pad.js b/addons/pad/static/src/js/pad.js
index b59f3f0bc04..4068ff24ead 100644
--- a/addons/pad/static/src/js/pad.js
+++ b/addons/pad/static/src/js/pad.js
@@ -39,6 +39,25 @@ var FieldPad = AbstractField.extend({
             this.$(".oe_configured").addClass('hidden');
             return;
         }
+        if (this.mode === 'edit' && _.str.startsWith(this.value, 'http')) {
+            this.url = this.value;
+            // please close your eyes and look elsewhere...
+            // Since the pad value (the url) will not change during the edition
+            // process, we have a problem: the description field will not be
+            // properly updated.  We need to explicitely write the value each
+            // time someone edit the record in order to force the server to read
+            // the updated value of the pad and put it in the description field.
+            //
+            // However, the basic model optimizes away the changes if they are
+            // not really different from the current value. So, we need to
+            // either add special configuration options to the basic model, or
+            // to trick him into accepting the same value as being different...
+            // Guess what we decided...
+            var url = {};
+            url.toJSON = _.constant(this.url);
+            this._setValue(url);
+        }
+
         return this._super.apply(this, arguments);
     },
 
@@ -75,11 +94,11 @@ var FieldPad = AbstractField.extend({
      * @private
      */
     _renderEdit: function () {
-        if (_.str.startsWith(this.value, 'http')) {
+        if (this.url) {
             // here, we have a valid url, so we can simply display an iframe
             // with the correct src attribute
             var userName = encodeURIComponent(this.getSession().userName);
-            var url = this.value + '?showChat=false&userName=' + userName;
+            var url = this.url + '?showChat=false&userName=' + userName;
             var content = '<iframe width="100%" height="100%" frameborder="0" src="' + url + '"></iframe>';
             this.$('.oe_pad_content').html(content);
         } else if (this.value) {
@@ -111,6 +130,7 @@ var FieldPad = AbstractField.extend({
                 // We need to write the url of the pad to trigger
                 // the write function which updates the actual value
                 // of the field to the value of the pad content
+                self.url = result.url;
                 self._setValue(result.url, {doNotSetDirty: true});
             });
         }
diff --git a/addons/pad/static/tests/pad_tests.js b/addons/pad/static/tests/pad_tests.js
index 2aa8f7fe1db..5d18e55c1e0 100644
--- a/addons/pad/static/tests/pad_tests.js
+++ b/addons/pad/static/tests/pad_tests.js
@@ -112,7 +112,7 @@ QUnit.module('pad widget', {
     });
 
     QUnit.test('pad widget works, with existing data', function (assert) {
-        assert.expect(2);
+        assert.expect(3);
 
         var contentDef = $.Deferred();
 
@@ -129,10 +129,17 @@ QUnit.module('pad widget', {
                 '</form>',
             res_id: 2,
             mockRPC: function (route, args) {
+                if (_.str.startsWith(route, 'http')) {
+                    return $.when(true);
+                }
                 var result = this._super.apply(this, arguments);
                 if (args.method === 'pad_get_content') {
                     return contentDef.then(_.constant(result));
                 }
+                if (args.method === 'write') {
+                    assert.ok('description' in args.args[1],
+                        "should always send the description value");
+                }
                 return result;
             },
             session: {
@@ -144,6 +151,9 @@ QUnit.module('pad widget', {
         contentDef.resolve();
         assert.strictEqual(form.$('.oe_pad_content').text(), "we should rewrite this server in haskell",
             "should display proper value");
+
+        form.$buttons.find('.o_form_button_edit').click();
+        form.$buttons.find('.o_form_button_save').click();
         form.destroy();
         delete FieldPad.prototype.isPadConfigured;
     });