diff --git a/src/PhpWord/Writer/Word2007/Part/Settings.php b/src/PhpWord/Writer/Word2007/Part/Settings.php
index 5c6f646cae..d881e13af2 100644
--- a/src/PhpWord/Writer/Word2007/Part/Settings.php
+++ b/src/PhpWord/Writer/Word2007/Part/Settings.php
@@ -106,7 +106,7 @@ private function getSettings()
             'w:themeFontLang' => array('@attributes' => array('w:val' => 'en-US')),
             'w:decimalSymbol' => array('@attributes' => array('w:val' => '.')),
             'w:listSeparator' => array('@attributes' => array('w:val' => ';')),
-            'w:compat' => '',
+            'w:compat' => array(),
             'm:mathPr' => array(
                 'm:mathFont' => array('@attributes' => array('m:val' => 'Cambria Math')),
                 'm:brkBin' => array('@attributes' => array('m:val' => 'before')),
diff --git a/tests/PhpWord/Writer/Word2007/Part/SettingsTest.php b/tests/PhpWord/Writer/Word2007/Part/SettingsTest.php
index 06d12abe51..6ed23e44b1 100644
--- a/tests/PhpWord/Writer/Word2007/Part/SettingsTest.php
+++ b/tests/PhpWord/Writer/Word2007/Part/SettingsTest.php
@@ -64,5 +64,6 @@ public function testCompatibility()
 
         $path = '/w:settings/w:compat/w:compatSetting';
         $this->assertTrue($doc->elementExists($path, $file));
+        $this->assertEquals($phpWord->getCompatibility()->getOoxmlVersion(), 15);
     }
 }