diff --git a/tests/Zend/Validate/HostnameTest.php b/tests/Zend/Validate/HostnameTest.php
index 41d82fb655..cb054a6025 100644
--- a/tests/Zend/Validate/HostnameTest.php
+++ b/tests/Zend/Validate/HostnameTest.php
@@ -527,4 +527,13 @@ public function testVermögensberaterIdns()
         $validator = new Zend_Validate_Hostname();
         $this->assertTrue($validator->isValid('mysite.vermögensberater'));
     }
+
+    /**
+     * @group GH-322
+     */
+    public function testCom()
+    {
+        $validator = new Zend_Validate_Hostname();
+        $this->assertTrue($validator->isValid('example.com'));
+    }
 }