diff --git a/addons/website_blog/static/src/css/website_blog.css b/addons/website_blog/static/src/css/website_blog.css
index 54819638eb7..19852cece4d 100644
--- a/addons/website_blog/static/src/css/website_blog.css
+++ b/addons/website_blog/static/src/css/website_blog.css
@@ -97,9 +97,9 @@ p.post-meta {
 }
 
 .discussion > a:after {
-  border-left: 7px solid transparent;
+  border-right: 7px solid transparent;
   border-top: 7px solid #bbbbbb;
-  left: 19px;
+  right: 19px;
   top: 22px;
   height: 0;
   width: 0;
diff --git a/addons/website_blog/static/src/css/website_blog.sass b/addons/website_blog/static/src/css/website_blog.sass
index 330f27bf7b0..4aa510fa687 100644
--- a/addons/website_blog/static/src/css/website_blog.sass
+++ b/addons/website_blog/static/src/css/website_blog.sass
@@ -88,9 +88,9 @@ p.post-meta
 
 .discussion
     > a:after
-        border-left: 7px solid transparent
+        border-right: 7px solid transparent
         border-top: 7px solid #bbbbbb
-        left: 19px
+        right: 19px
         top: 22px
         height: 0
         width: 0