diff --git a/frappe/commands/utils.py b/frappe/commands/utils.py
index 4b5a04ea33..bb943c7223 100644
--- a/frappe/commands/utils.py
+++ b/frappe/commands/utils.py
@@ -532,7 +532,7 @@ def _mariadb():
 	command = [
 		mysql,
 		"--port",
-		frappe.conf.db_port or MariaDBDatabase.default_port,
+		str(frappe.conf.db_port or MariaDBDatabase.default_port),
 		"-u",
 		frappe.conf.db_name,
 		f"-p{frappe.conf.db_password}",