diff --git a/views/helpers/grid.php b/views/helpers/grid.php
index 618f26e..c789119 100644
--- a/views/helpers/grid.php
+++ b/views/helpers/grid.php
@@ -211,7 +211,7 @@ class GridHelper extends AppHelper {
 
     // Incorporate all other user options
     if (isset($config))
-      $this->jqGrid_options = array_merge($this->jqGrid_options, $config);
+      $this->jqGrid_options = array_merge_recursive($this->jqGrid_options, $config);
 
     echo $view->element('jqGrid', $this->jqGrid_options);