diff --git a/addons/web_editor/static/src/js/widgets/widgets.js b/addons/web_editor/static/src/js/widgets/widgets.js
index f8626e33390..8214754cd6b 100644
--- a/addons/web_editor/static/src/js/widgets/widgets.js
+++ b/addons/web_editor/static/src/js/widgets/widgets.js
@@ -229,7 +229,6 @@ var ImageDialog = Widget.extend({
         this.push(attachment);
         this.$('input.url').val('');
         this.search();
-        this.images = [];
     },
     form_submit: function (event) {
         var self = this;
@@ -342,24 +341,20 @@ var ImageDialog = Widget.extend({
     },
     select_existing: function (e) {
         var $img = $(e.currentTarget);
-        if (!this.options.select_images) {
-            this.$('.o_existing_attachment_cell.o_selected').removeClass("o_selected");
-            $img.closest('.o_existing_attachment_cell').addClass('o_selected');
-        } else {
-            $img.closest('.o_existing_attachment_cell').toggleClass('o_selected');
-        }
         var attachment = _.find(this.records, function (record) { return record.id === $img.data('id'); });
         this.push(attachment);
         this.selected_existing();
     },
     selected_existing: function () {
         var self = this;
+        this.$('.o_existing_attachment_cell.o_selected').removeClass("o_selected");
         var $select = this.$('.o_existing_attachment_cell [data-src]').filter(function () {
             var $img = $(this);
             return !!_.find(self.images, function (v) {
                 return (v.url === $img.data("src") || ($img.data("url") && v.url === $img.data("url")) || v.id === $img.data("id"));
             });
         });
+        $select.closest('.o_existing_attachment_cell').addClass("o_selected");
         return $select;
     },
     try_remove: function (e) {