diff --git a/core/Command/Maintenance/Install.php b/core/Command/Maintenance/Install.php
index 39692e036ba..f5b85b4c3a7 100644
--- a/core/Command/Maintenance/Install.php
+++ b/core/Command/Maintenance/Install.php
@@ -132,6 +132,10 @@ class Install extends Command {
 		} else {
 			$dbHost = $input->getOption('database-host');
 		}
+		if ($dbPort) {
+			// Append the port to the host so it is the same as in the config (there is no dbport config)
+			$dbHost .= ':' . $dbPort;
+		}
 		$dbTablePrefix = 'oc_';
 		if ($input->hasParameterOption('--database-table-prefix')) {
 			$dbTablePrefix = (string) $input->getOption('database-table-prefix');
@@ -181,7 +185,6 @@ class Install extends Command {
 			'dbpass' => $dbPass,
 			'dbname' => $dbName,
 			'dbhost' => $dbHost,
-			'dbport' => $dbPort,
 			'dbtableprefix' => $dbTablePrefix,
 			'adminlogin' => $adminLogin,
 			'adminpass' => $adminPassword,