diff --git a/lib/Doctrine/ORM/Cache/Region/FileLockRegion.php b/lib/Doctrine/ORM/Cache/Region/FileLockRegion.php
index 69167bc90..d8d4b2694 100644
--- a/lib/Doctrine/ORM/Cache/Region/FileLockRegion.php
+++ b/lib/Doctrine/ORM/Cache/Region/FileLockRegion.php
@@ -61,7 +61,7 @@ class FileLockRegion implements ConcurrentRegion
      */
     public function __construct(Region $region, $directory, $lockLifetime)
     {
-        if ( ! is_dir($directory) && ! @mkdir($directory, 0777, true)) {
+        if ( ! is_dir($directory) && ! @mkdir($directory, 0775, true)) {
             throw new \InvalidArgumentException(sprintf('The directory "%s" does not exist and could not be created.', $directory));
         }
 
@@ -242,6 +242,7 @@ class FileLockRegion implements ConcurrentRegion
         if ( ! @file_put_contents($filename, $lock->value, LOCK_EX)) {
             return null;
         }
+        chmod($filename, 0664);
 
         return $lock;
     }
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/ConvertMappingCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/ConvertMappingCommand.php
index 1f97a5074..b229f4a6c 100644
--- a/lib/Doctrine/ORM/Tools/Console/Command/ConvertMappingCommand.php
+++ b/lib/Doctrine/ORM/Tools/Console/Command/ConvertMappingCommand.php
@@ -137,7 +137,7 @@ EOT
 
         // Process destination directory
         if ( ! is_dir($destPath = $input->getArgument('dest-path'))) {
-            mkdir($destPath, 0777, true);
+            mkdir($destPath, 0775, true);
         }
         $destPath = realpath($destPath);
 
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/GenerateProxiesCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/GenerateProxiesCommand.php
index 522118794..21edb9dab 100644
--- a/lib/Doctrine/ORM/Tools/Console/Command/GenerateProxiesCommand.php
+++ b/lib/Doctrine/ORM/Tools/Console/Command/GenerateProxiesCommand.php
@@ -79,7 +79,7 @@ EOT
         }
 
         if ( ! is_dir($destPath)) {
-            mkdir($destPath, 0777, true);
+            mkdir($destPath, 0775, true);
         }
 
         $destPath = realpath($destPath);
diff --git a/lib/Doctrine/ORM/Tools/EntityGenerator.php b/lib/Doctrine/ORM/Tools/EntityGenerator.php
index ec83c4e49..9027d9aa5 100644
--- a/lib/Doctrine/ORM/Tools/EntityGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityGenerator.php
@@ -364,7 +364,7 @@ public function __construct(<params>)
         $dir = dirname($path);
 
         if ( ! is_dir($dir)) {
-            mkdir($dir, 0777, true);
+            mkdir($dir, 0775, true);
         }
 
         $this->isNew = !file_exists($path) || (file_exists($path) && $this->regenerateEntityIfExists);
@@ -389,6 +389,7 @@ public function __construct(<params>)
         } elseif ( ! $this->isNew && $this->updateEntityIfExists) {
             file_put_contents($path, $this->generateUpdatedEntityClass($metadata, $path));
         }
+        chmod($path, 0664);
     }
 
     /**
diff --git a/lib/Doctrine/ORM/Tools/EntityRepositoryGenerator.php b/lib/Doctrine/ORM/Tools/EntityRepositoryGenerator.php
index f94292afc..f431588fb 100644
--- a/lib/Doctrine/ORM/Tools/EntityRepositoryGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityRepositoryGenerator.php
@@ -147,11 +147,12 @@ class <className> extends <repositoryName>
         $dir = dirname($path);
 
         if ( ! is_dir($dir)) {
-            mkdir($dir, 0777, true);
+            mkdir($dir, 0775, true);
         }
 
         if ( ! file_exists($path)) {
             file_put_contents($path, $code);
+            chmod($path, 0664);
         }
     }
 
diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/AbstractExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/AbstractExporter.php
index 3e96af821..b2ed435bc 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/AbstractExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/AbstractExporter.php
@@ -130,7 +130,7 @@ abstract class AbstractExporter
     public function export()
     {
         if ( ! is_dir($this->_outputDir)) {
-            mkdir($this->_outputDir, 0777, true);
+            mkdir($this->_outputDir, 0775, true);
         }
 
         foreach ($this->_metadata as $metadata) {
@@ -139,12 +139,13 @@ abstract class AbstractExporter
                 $path = $this->_generateOutputPath($metadata);
                 $dir = dirname($path);
                 if ( ! is_dir($dir)) {
-                    mkdir($dir, 0777, true);
+                    mkdir($dir, 0775, true);
                 }
                 if (file_exists($path) && !$this->_overwriteExistingFiles) {
                     throw ExportException::attemptOverwriteExistingFile($path);
                 }
                 file_put_contents($path, $output);
+                chmod($path, 0664);
             }
         }
     }