diff --git a/lib/private/DB/ConnectionFactory.php b/lib/private/DB/ConnectionFactory.php
index 3591221d69a..af641492287 100644
--- a/lib/private/DB/ConnectionFactory.php
+++ b/lib/private/DB/ConnectionFactory.php
@@ -135,7 +135,7 @@ class ConnectionFactory {
 //				unset($additionalConnectionParams['host']);
 				$additionalConnectionParams['servicename'] = 'XEPDB1';
 				$additionalConnectionParams['primary']['servicename'] = 'XEPDB1';
-				$additionalConnectionParams['replica']['servicename'] = 'XEPDB1';
+				$additionalConnectionParams['replica'][0]['servicename'] = 'XEPDB1';
 				break;
 
 			case 'sqlite3':