diff --git a/config/database.php b/config/database.php
index 7b80008fc6..83f2f22bb8 100644
--- a/config/database.php
+++ b/config/database.php
@@ -54,7 +54,7 @@ return [
         'mysql' => [
             'driver' => 'mysql',
             'host' => env('DB_HOST', 'localhost'),
-            'port' => env('DB_PORT', ''),
+            'port' => env('DB_PORT', '3306'),
             'database' => env('DB_DATABASE', 'librenms'),
             'username' => env('DB_USERNAME', 'librenms'),
             'password' => env('DB_PASSWORD', ''),