diff --git a/includes/VectorTemplate.php b/includes/VectorTemplate.php
index f9b2930d..fbb5efac 100644
--- a/includes/VectorTemplate.php
+++ b/includes/VectorTemplate.php
@@ -243,7 +243,7 @@ class VectorTemplate extends BaseTemplate {
 
 			$footerRows[] = [
 				'id' => $rowId,
-				'className' => '',
+				'className' => null,
 				'array-items' => $items
 			];
 		}
diff --git a/includes/templates/Footer.mustache b/includes/templates/Footer.mustache
index de7d951a..034c9ad2 100644
--- a/includes/templates/Footer.mustache
+++ b/includes/templates/Footer.mustache
@@ -16,7 +16,7 @@
 {{{html-hook-vector-before-footer}}}
 <div id="footer" class="mw-footer" role="contentinfo" {{{html-userlangattributes}}}>
 	{{#array-footer-rows}}
-	<ul id="{{id}}" class="{{className}}">
+	<ul id="{{id}}" {{#className}}class="{{.}}"{{/className}}>
 		{{#array-items}}
 		<li id="{{id}}">{{{html}}}</li>
 		{{/array-items}}