diff --git a/typo3/sysext/install/Classes/Controller/Action/Step/DatabaseSelect.php b/typo3/sysext/install/Classes/Controller/Action/Step/DatabaseSelect.php
index f6c12c91c4d20f11fc9e1808e36c161fb06a5d6c..3995d39e26cc7d734bf6729416660b30e7a02db1 100644
--- a/typo3/sysext/install/Classes/Controller/Action/Step/DatabaseSelect.php
+++ b/typo3/sysext/install/Classes/Controller/Action/Step/DatabaseSelect.php
@@ -78,7 +78,7 @@ class DatabaseSelect extends AbstractStepAction
             $existingTables = $this->databaseConnection->admin_get_tables();
             $isInitialInstallation = $configurationManager->getConfigurationValueByPath('SYS/isInitialInstallationInProgress');
             if (!$isInitialInstallation || empty($existingTables)) {
-                $localConfigurationPathValuePairs['DB/database'] = $postValues['existing'];
+                $localConfigurationPathValuePairs['DB/Connections/Default/dbname'] = $postValues['existing'];
             }
             // check if database charset is utf-8
             $defaultDatabaseCharset = $this->getDefaultDatabaseCharset();