diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 2d9caa43bbd..70b0cd85cc5 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -787,7 +787,7 @@
     </div>
 </t>
 <t t-name="FormRenderingSeparator">
-    <div t-attf-class="oe_horizontal_separator #{classnames}">
+    <div t-attf-class="oe_horizontal_separator oe_clear #{classnames}">
         <t t-esc="string"/>
     </div>
 </t>