diff --git a/system/Database/Config.php b/system/Database/Config.php
index 899e214cc284..b9d4198790bd 100644
--- a/system/Database/Config.php
+++ b/system/Database/Config.php
@@ -61,9 +61,7 @@ public static function connect($group = null, bool $getShared = true)
         } else {
             $dbConfig = config(DbConfig::class);
 
-            if ($group === null) {
-                $group = service('environment')->isTesting() ? 'tests' : $dbConfig->defaultGroup;
-            }
+            $group ??= service('environment')->isTesting() ? 'tests' : $dbConfig->defaultGroup;
 
             assert(is_string($group));