diff --git a/install/index.php b/install/index.php
index 06f13fe14..ec064c0a7 100644
--- a/install/index.php
+++ b/install/index.php
@@ -406,7 +406,7 @@
 
 		} else if ($op == 'installschema' || $op == 'skipschema') {
 
-			$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE);
+			$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
 
 			if (!$link) {
 				print_error("Unable to connect to database using specified parameters.");