diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 31c88159f00..b53e294ede4 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -2923,7 +2923,6 @@
   position: relative;
 }
 .openerp .oe_list_content th.oe_sortable div:after {
-  float: right;
   margin-right: 6px;
   content: "";
   margin-top: 7px;
@@ -2933,6 +2932,7 @@
   visibility: hidden;
 }
 .openerp .oe_list_content th.sortup div:after {
+  float: right;
   visibility: visible;
   filter: alpha(opacity=60);
   opacity: 0.6;
@@ -2941,6 +2941,7 @@
   min-width: 70px;
 }
 .openerp .oe_list_content th.sortdown div:after {
+  float: right;
   border-bottom: none;
   border-left: 4px solid transparent;
   border-right: 4px solid transparent;
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index 1de67046a5c..bbb995e655c 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -2309,7 +2309,6 @@ $sheet-padding: 16px
         th.oe_sortable div
             position: relative
         th.oe_sortable div:after
-            float: right
             margin-right: 6px
             content: ""
             margin-top: 7px
@@ -2318,11 +2317,13 @@ $sheet-padding: 16px
             border-color: #000 transparent
             visibility: hidden
         th.sortup div:after
+            float: right
             visibility: visible
             @include opacity(0.6)
         .oe_list_header_many2many_tags
             min-width: 70px
         th.sortdown div:after
+            float: right
             border-bottom: none
             border-left: 4px solid transparent
             border-right: 4px solid transparent