diff --git a/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php b/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
index c81c083e1..5bb1e7b51 100644
--- a/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
+++ b/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php
@@ -197,7 +197,7 @@ class XmlDriver extends FileDriver
             foreach ($xmlRoot->indexes->index as $index) {
                 $columns = explode(',', (string)$index['columns']);
                 
-                if(!isset($index['flags'])) {
+                if( ! isset($index['flags'])) {
                     $flags = array();
                 } else {
                     $flags = explode(',', (string)$index['flags']);
diff --git a/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php b/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php
index 6e3342902..d0e52c718 100644
--- a/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php
+++ b/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php
@@ -213,8 +213,7 @@ class YamlDriver extends FileDriver
                     $columns = $index['columns'];
                 }
 
-                if(!isset($index['flags']))
-                {
+                if( ! isset($index['flags'])) {
                     $flags = array();
                 } elseif (is_string($index['flags'])) {
                     $flags = explode(',', $index['flags']);
diff --git a/lib/Doctrine/ORM/Tools/SchemaTool.php b/lib/Doctrine/ORM/Tools/SchemaTool.php
index abad1013a..9bca3ed66 100644
--- a/lib/Doctrine/ORM/Tools/SchemaTool.php
+++ b/lib/Doctrine/ORM/Tools/SchemaTool.php
@@ -264,12 +264,11 @@ class SchemaTool
 
             if (isset($class->table['indexes'])) {
                 foreach ($class->table['indexes'] as $indexName => $indexData) {
-                    if(!isset($indexData['flags']))
-                    {
+                    if( ! isset($indexData['flags'])) {
                         $indexData['flags'] = array();
                     }
                     
-                    $table->addIndex($indexData['columns'], is_numeric($indexName) ? null : $indexName, (array) $indexData['flags']);
+                    $table->addIndex($indexData['columns'], is_numeric($indexName) ? null : $indexName, (array)$indexData['flags']);
                 }
             }