diff --git a/README.md b/README.md
index c51d16d..3f539cd 100644
--- a/README.md
+++ b/README.md
@@ -19,13 +19,10 @@ This module provides a number of useful grid field components:
 * `GridFieldTitleHeader` - a simple header which displays column titles.
 * `GridFieldConfigurablePaginator` - a paginator for GridField that allows customisable page sizes.
 
-This branch will aim for compatibility with Silverstripe 4.x. 
-
 ## Installation
-```bash
-composer require symbiote/silverstripe-gridfieldextensions:^3
+
+```sh
+composer require symbiote/silverstripe-gridfieldextensions
 ```
 
-For Silverstripe 3.x, please see the [compatible branch](https://github.com/symbiote/silverstripe-gridfieldextensions/tree/2).
-
 See [docs/en/index.md](docs/en/index.md) for documentation and examples.
diff --git a/src/GridFieldOrderableRows.php b/src/GridFieldOrderableRows.php
index 37fd90d..c87e26f 100755
--- a/src/GridFieldOrderableRows.php
+++ b/src/GridFieldOrderableRows.php
@@ -396,6 +396,13 @@ class GridFieldOrderableRows extends RequestHandler implements
                 if ($list instanceof DataList) {
                     $classname = $list->dataClass();
                     if ($defaultSort = Config::inst()->get($classname, 'default_sort')) {
+                        if (is_array($defaultSort)) {
+                            $defaultSortArray = [];
+                            foreach ($defaultSort as $column => $direction) {
+                                $defaultSortArray[] = "\"$column\" $direction";
+                            }
+                            $defaultSort = implode(', ', $defaultSortArray);
+                        }
                         // Append the default sort to the end of the sort string
                         // This may result in redundancy... but it seems to work
                         $sortterm .= ($sortterm ? ', ' : '') . $defaultSort;
diff --git a/tests/GridFieldOrderableRowsTest.php b/tests/GridFieldOrderableRowsTest.php
index 5d93d6b..6cf438b 100644
--- a/tests/GridFieldOrderableRowsTest.php
+++ b/tests/GridFieldOrderableRowsTest.php
@@ -25,6 +25,7 @@ use Symbiote\GridFieldExtensions\Tests\Stub\ThroughDefinerVersioned;
 use Symbiote\GridFieldExtensions\Tests\Stub\ThroughIntermediary;
 use Symbiote\GridFieldExtensions\Tests\Stub\TitleObject;
 use Symbiote\GridFieldExtensions\Tests\Stub\TitleSortedObject;
+use Symbiote\GridFieldExtensions\Tests\Stub\TitleArraySortedObject;
 use Symbiote\GridFieldExtensions\Tests\Stub\ThroughIntermediaryVersioned;
 
 /**
@@ -54,6 +55,7 @@ class GridFieldOrderableRowsTest extends SapphireTest
         ThroughBelongs::class,
         TitleObject::class,
         TitleSortedObject::class,
+        TitleArraySortedObject::class,
         ThroughDefinerVersioned::class,
         ThroughIntermediaryVersioned::class,
         ThroughBelongsVersioned::class,
@@ -387,6 +389,16 @@ class GridFieldOrderableRowsTest extends SapphireTest
                 ],
                 ['B', 'A', 'C']
             ],
+            [
+                TitleArraySortedObject::class,
+                DataList::class,
+                [
+                    ['Title' => 'X', 'Iden' => 'C', 'OtherSort' => 3],
+                    ['Title' => 'Z', 'Iden' => 'A', 'OtherSort' => 2],
+                    ['Title' => 'Z', 'Iden' => 'B', 'OtherSort' => 1],
+                ],
+                ['C', 'B', 'A']
+            ],
         ];
     }
 }
diff --git a/tests/Stub/TitleArraySortedObject.php b/tests/Stub/TitleArraySortedObject.php
new file mode 100644
index 0000000..25d3f1a
--- /dev/null
+++ b/tests/Stub/TitleArraySortedObject.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Symbiote\GridFieldExtensions\Tests\Stub;
+
+use SilverStripe\Dev\TestOnly;
+use SilverStripe\ORM\DataObject;
+
+class TitleArraySortedObject extends DataObject implements TestOnly
+{
+    private static $db = [
+        'Title' => 'Varchar',
+        'Iden' => 'Varchar',
+        'OtherSort' => 'Int'
+    ];
+
+    private static array $default_sort = [
+        'Title' => 'ASC',
+        'OtherSort' => 'ASC',
+    ];
+
+    private static $table_name = 'TitleArraySortedObject';
+}