diff --git a/Classes/Compatibility/ExtensionConfiguration.php b/Classes/Compatibility/ExtensionConfiguration.php
index 84a6509..3cb4214 100644
--- a/Classes/Compatibility/ExtensionConfiguration.php
+++ b/Classes/Compatibility/ExtensionConfiguration.php
@@ -2,6 +2,26 @@
 
 namespace Codappix\SearchCore\Compatibility;
 
-class ExtensionConfiguration extends \TYPO3\CMS\Core\Configuration\ExtensionConfiguration implements ExtensionConfigurationInterface
+use Codappix\SearchCore\Bootstrap;
+
+class ExtensionConfiguration implements ExtensionConfigurationInterface
 {
-}
\ No newline at end of file
+    /**
+     * @return object|\TYPO3\CMS\Core\Configuration\ExtensionConfiguration
+     */
+    protected function _base()
+    {
+        return Bootstrap::getObjectManager()->get(\TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class);
+    }
+
+    /**
+     * @param $extensionKey
+     * @return mixed
+     * @throws \TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationExtensionNotConfiguredException
+     * @throws \TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationPathDoesNotExistException
+     */
+    public function get($extensionKey)
+    {
+        return $this->_base()->get($extensionKey);
+    }
+}