diff --git a/patches/shardj-zf1-future.patch b/patches/shardj-zf1-future.patch
index 3d36335..0c38514 100644
--- a/patches/shardj-zf1-future.patch
+++ b/patches/shardj-zf1-future.patch
@@ -9,3 +9,14 @@
      {
          foreach ($this->getFilters() as $filter) {
              $value = $filter->filter($value);
+@@ -612,7 +612,9 @@ class Zend_Form_Element implements Zend_Validate_Interface
+         $valueFiltered = $this->_value;
+
+         if ($this->isArray() && is_array($valueFiltered)) {
+-            array_walk_recursive($valueFiltered, [$this, '_filterValue']);
++            array_walk_recursive($valueFiltered, function (&$val, $key) {
++                $this->_filterValue($val, $key);
++            });
+         } else {
+             $this->_filterValue($valueFiltered, $valueFiltered);
+         }