diff --git a/addons/website_blog/static/src/js/website_blog.editor.js b/addons/website_blog/static/src/js/website_blog.editor.js
index 21ffee62486..8c2ecb645fb 100644
--- a/addons/website_blog/static/src/js/website_blog.editor.js
+++ b/addons/website_blog/static/src/js/website_blog.editor.js
@@ -45,13 +45,13 @@
             return this._super();
         },
         clean_bg : function(vHeight) {
-            $('.cover_header').css({"background-image":"", 'min-height': vHeight});
+            $('.cover_header').css({"background-image":'none', 'min-height': vHeight});
         },
         change_bg : function(vHeight) {
             var self  = this;
             var editor  = new  website.editor.ImageDialog();
             editor.on('start', self, function (o) {
-                o.url = $('.cover_header')[0].style.background.replace('url(','').replace(')','');
+                o.url = $('.cover_header')[0] ? $('.cover_header')[0].style.background.replace('url(','').replace(')','') : ''; 
             });
             editor.on('save', self, function (o) {
                 $('.cover_header').css({"background-image": o.url && o.url !== "" ? 'url(' + o.url + ')' : "", 'min-height': vHeight})
diff --git a/addons/website_blog/views/website_blog_templates.xml b/addons/website_blog/views/website_blog_templates.xml
index 12c795b0579..bfb48633248 100644
--- a/addons/website_blog/views/website_blog_templates.xml
+++ b/addons/website_blog/views/website_blog_templates.xml
@@ -163,7 +163,7 @@
 <template id="blog_post_complete" name="Blog Post">
   <t t-call="website_blog.index">
 
-    <div t-attf-class="cover #{blog_post.content_image and 'cover_header' or ''} text-center" id="title" t-attf-style="background-image : url(#{blog_post.content_image})" t-ignore="True">
+    <div t-attf-class="cover cover_header text-center" id="title" t-attf-style="background-image : url(#{blog_post.content_image})" t-ignore="True">
         <div class="container">
           <div class="container text-right mt16">
             <div class="btn-group css_non_editable_mode_hidden">