diff --git a/addons/base/static/src/xml/base.xml b/addons/base/static/src/xml/base.xml
index ef4cbba46b0..82a41b3f859 100644
--- a/addons/base/static/src/xml/base.xml
+++ b/addons/base/static/src/xml/base.xml
@@ -531,8 +531,11 @@
     </div>
 </t>
 <t t-name="ViewManager.sidebar.internal">
-    <t t-set="the_condition" t-value="sections.length &gt; 0 &amp;&amp; _.detect(sections, function(x)
-        {return x.elements.length &gt; 0;}) != undefined"/>
+    <t t-js="d">
+        d.the_condition = d.sections.length &gt; 0 &amp;&amp; d._.detect(d.sections, function(x) {
+            return x.elements.length &gt; 0;
+        }) != undefined
+    </t>
     <t t-if="the_condition">
         <a class="toggle-sidebar"></a>
         <div t-att-id="element_id" class="sidebar-sub-div">