diff --git a/tests/Zend/Validate/HostnameTest.php b/tests/Zend/Validate/HostnameTest.php
index e8c377e7fa..7f43cef1f6 100644
--- a/tests/Zend/Validate/HostnameTest.php
+++ b/tests/Zend/Validate/HostnameTest.php
@@ -508,4 +508,13 @@ public function testIDNRS()
 
         $this->assertTrue($validator->isValid('test.rs'));
     }
+
+    /**
+     * @group GH-322
+     */
+    public function testCom()
+    {
+        $validator = new Zend_Validate_Hostname();
+        $this->assertTrue($validator->isValid('example.com'));
+    }
 }