diff --git a/javascripts/discourse/components/custom-header-links.hbs b/javascripts/discourse/components/custom-header-links.hbs
index a8ed5ec..3b7cd72 100644
--- a/javascripts/discourse/components/custom-header-links.hbs
+++ b/javascripts/discourse/components/custom-header-links.hbs
@@ -1,7 +1,14 @@
 {{#if this.shouldShow}}
+  {{!
+    @outletArgs.attrs.topic is the legacy version. Can be removed once core v3.2.0.beta4 is released
+    and this Theme's compatibility file is updated
+  }}
   <ul
     class="custom-header-links
-      {{if @outletArgs.attrs.topic 'custom-header-links--hide-links'}}"
+      {{if
+        (or @outletArgs.topic @outletArgs.attrs.topic)
+        'custom-header-links--hide-links'
+      }}"
   >
     {{#each this.links as |link|}}
       <li