diff --git a/assets/component-facets.css b/assets/component-facets.css
index 3011f1fbdfa..f7ce83e9b90 100644
--- a/assets/component-facets.css
+++ b/assets/component-facets.css
@@ -964,7 +964,7 @@ input.mobile-facets__checkbox {
   }
 
   .facets__disclosure-vertical {
-    border-top: solid rgba(var(--color-foreground), 0.1);
+    border-top: 0.1rem solid rgba(var(--color-foreground), 0.1);
     margin-right: 0;
   }