diff --git a/src/GridFieldOrderableRows.php b/src/GridFieldOrderableRows.php
index 6b3d8bb..e5da805 100755
--- a/src/GridFieldOrderableRows.php
+++ b/src/GridFieldOrderableRows.php
@@ -365,6 +365,17 @@ public function getManipulatedData(GridField $grid, SS_List $list)
                 if ($list instanceof DataList) {
                     $classname = $list->dataClass();
                     if ($defaultSort = Config::inst()->get($classname, 'default_sort')) {
+                        $defaultSortTerm = '';
+
+                        // Check to see if `default_sort` is an array
+                        if (is_array($defaultSort)) {
+                            foreach ($defaultSort as $col => $dir) {
+                                $defaultSortTerm .= "$col $dir, ";
+                            }
+                        } else {
+                            $defaultSortTerm = $defaultSort;
+                        }
+
                         // Append the default sort to the end of the sort string
                         // This may result in redundancy... but it seems to work
                         $sortterm .= ($sortterm ? ', ' : '') . $defaultSort;