diff --git a/src/ServiceManager.php b/src/ServiceManager.php
index b884c997..cfd67b68 100644
--- a/src/ServiceManager.php
+++ b/src/ServiceManager.php
@@ -746,7 +746,7 @@ private function createLazyServiceDelegatorFactory()
      */
     private function mergeDelegators(array $config): array
     {
-        foreach($config as $key => $delegators) {
+        foreach ($config as $key => $delegators) {
             if (! isset($this->delegators[$key])) {
                 $this->delegators[$key] = $delegators;
                 continue;