diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
index 8941206b3..e98915c60 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions.php
@@ -1194,7 +1194,7 @@ class Actions
 				$aResult['VerifySslCertificate'] = (bool)$oConfig->Get('ssl', 'verify_certificate', false);
 				$aResult['AllowSelfSigned'] = (bool)$oConfig->Get('ssl', 'allow_self_signed', true);
 
-				$aResult['supportedPdoDrivers'] = \class_exists('PDO') ? \RainLoop\Common\PdoAbstract::getAvailableDrivers() : [];
+				$aResult['supportedPdoDrivers'] = \RainLoop\Common\PdoAbstract::getAvailableDrivers();
 
 				$aResult['ContactsEnable'] = (bool)$oConfig->Get('contacts', 'enable', false);
 				$aResult['ContactsSync'] = (bool)$oConfig->Get('contacts', 'allow_sync', false);
diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Common/PdoAbstract.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Common/PdoAbstract.php
index e770fdd51..a82002349 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Common/PdoAbstract.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Common/PdoAbstract.php
@@ -52,8 +52,8 @@ abstract class PdoAbstract
 
 	public static function getAvailableDrivers() : array
 	{
-		return \class_exists('PDO')
-			? array_intersect(['mysql', 'sqlite', 'pgsql'], \PDO::getAvailableDrivers())
+		return \class_exists('PDO', false)
+			? \array_intersect(['mysql', 'sqlite', 'pgsql'], \PDO::getAvailableDrivers())
 			: [];
 	}