diff --git a/tests/AutoloaderTest.php b/tests/AutoloaderTest.php
index 35e960b..2f65e99 100644
--- a/tests/AutoloaderTest.php
+++ b/tests/AutoloaderTest.php
@@ -183,3 +183,20 @@
     expect($translations['en']['lang'])->toEqual('English');
     expect($translations['jp']['lang'])->toEqual('日本語');
 });
+
+it('can merge roots', function() {
+    $autoloader = autoloader($this->dir)->toArray([
+        'options' => [
+            'test' => 'Test',
+        ],
+        'blueprints' => [
+            'fields/test' => [ // <-- this must be merged
+                'type' => 'info',
+                'text' => 'Test',
+            ],
+        ],
+    ]);
+
+    expect($autoloader['blueprints']['pages/isphp'])->toBeArray();
+    expect($autoloader['blueprints']['fields/test'])->toBeArray();
+});