diff --git a/phpBB/phpbb/extension/base.php b/phpBB/phpbb/extension/base.php
index ed190f6aa5..5ce6983edf 100644
--- a/phpBB/phpbb/extension/base.php
+++ b/phpBB/phpbb/extension/base.php
@@ -149,9 +149,11 @@ class base implements \phpbb\extension\extension_interface
 
 				// Otherwise, i.e. if it doesn't exist or it is
 				// not an extend the abstract class, we unset it
-				if (class_exists($migration)) {
+				if (class_exists($migration))
+				{
 					$reflector = new \ReflectionClass($migration);
-					if ($reflector->isSubclassOf('\phpbb\db\migration\migration')) {
+					if ($reflector->isSubclassOf('\phpbb\db\migration\migration'))
+					{
 						continue;
 					}