diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 024ecbbb965..8a2f1169e0a 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -1637,7 +1637,7 @@
 .openerp .oe_form_readonly .oe_edit_only, .openerp .oe_form_readonly .oe_form_field:empty {
   display: none !important;
 }
-.openerp .oe_form_nosheet > *:not(.oe_form_topbar) {
+.openerp .oe_form_nosheet > *:not(header) {
   margin-left: 10px !important;
   margin-right: 10px !important;
 }
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index 1d092ef041e..5eb61ac5f9e 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -1303,7 +1303,7 @@ $colour4: #8a89ba
     .oe_form_readonly
         .oe_edit_only, .oe_form_field:empty
             display: none !important
-    .oe_form_nosheet > *:not(.oe_form_topbar)
+    .oe_form_nosheet > *:not(header)
         margin-left: 10px !important
         margin-right: 10px !important
     // }}}