diff --git a/components/com_finder/helpers/html/filter.php b/components/com_finder/helpers/html/filter.php
index 8ac87b7c2f955..402959561e073 100644
--- a/components/com_finder/helpers/html/filter.php
+++ b/components/com_finder/helpers/html/filter.php
@@ -188,9 +188,9 @@ public static function slider($options = array())
 				$html .= '<div class="control-group">';
 				$html .= '<div class="controls">';
 				$html .= '<label class="checkbox" for="tax-'
-					. $bk . '">';
+					. $nk . '">';
 				$html .= '<input type="checkbox" class="selector filter-node' . $classSuffix . '" value="' . $nk . '" name="t[]" id="tax-'
-					. $bk . '"' . $checked . ' />';
+					. $nk . '"' . $checked . ' />';
 				$html .= $nv->title;
 				$html .= '</label>';
 				$html .= '</div>';