diff --git a/src/Symfony/Component/Config/ResourceCheckerConfigCache.php b/src/Symfony/Component/Config/ResourceCheckerConfigCache.php
index b3471e5d75..0394836ae8 100644
--- a/src/Symfony/Component/Config/ResourceCheckerConfigCache.php
+++ b/src/Symfony/Component/Config/ResourceCheckerConfigCache.php
@@ -82,7 +82,7 @@ class ResourceCheckerConfigCache implements ConfigCacheInterface
         $time = filemtime($this->file);
         $signalingException = new \UnexpectedValueException();
         $prevUnserializeHandler = ini_set('unserialize_callback_func', '');
-        $prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context) use (&$prevErrorHandler, $signalingException) {
+        $prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = array()) use (&$prevErrorHandler, $signalingException) {
             if (E_WARNING === $type && 'Class __PHP_Incomplete_Class has no unserializer' === $msg) {
                 throw $signalingException;
             }
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
index 5620aae3cd..3d8c9bc064 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -221,7 +221,7 @@ class NativeSessionStorage implements SessionStorageInterface
     public function save()
     {
         // Register custom error handler to catch a possible failure warning during session write
-        set_error_handler(function ($errno, $errstr, $errfile, $errline, $errcontext) {
+        set_error_handler(function ($errno, $errstr, $errfile, $errline, $errcontext = array()) {
             throw new ContextErrorException($errstr, $errno, E_WARNING, $errfile, $errline, $errcontext);
         }, E_WARNING);
 
diff --git a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
index c23229dd86..d0db3946e4 100644
--- a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
+++ b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
@@ -245,7 +245,7 @@ class PropertyAccessor implements PropertyAccessorInterface
     /**
      * @internal
      */
-    public static function handleError($type, $message, $file, $line, $context)
+    public static function handleError($type, $message, $file, $line, $context = array())
     {
         if (E_RECOVERABLE_ERROR === $type) {
             self::throwInvalidArgumentException($message, debug_backtrace(false), 1);
diff --git a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
index 8fd192d0e4..0e108f0756 100644
--- a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
@@ -195,7 +195,7 @@ abstract class AbstractCloner implements ClonerInterface
      */
     public function cloneVar($var, $filter = 0)
     {
-        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context) {
+        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = array()) {
             if (E_RECOVERABLE_ERROR === $type || E_USER_ERROR === $type) {
                 // Cloner never dies
                 throw new \ErrorException($msg, 0, $type, $file, $line);