diff --git a/src/Symfony/Component/Debug/ErrorHandler.php b/src/Symfony/Component/Debug/ErrorHandler.php
index 7ca1e3b7e1..9992e547f5 100644
--- a/src/Symfony/Component/Debug/ErrorHandler.php
+++ b/src/Symfony/Component/Debug/ErrorHandler.php
@@ -145,7 +145,7 @@ class ErrorHandler
                 require __DIR__.'/Exception/ContextErrorException.php';
             }
 
-            if (PHP_VERSION_ID < 50400 && isset($context['GLOBALS'])) {
+            if (PHP_VERSION_ID < 50400 && isset($context['GLOBALS']) && is_array($context)) {
                 unset($context['GLOBALS']);
             }
 
diff --git a/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php b/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
index 0ffd0ab32e..e764b4db51 100644
--- a/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
+++ b/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
@@ -181,18 +181,18 @@ PHP
     {
         try {
             $handler = ErrorHandler::register(0);
-            $this->assertFalse($handler->handle(0, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertFalse($handler->handle(0, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(3);
-            $this->assertFalse($handler->handle(4, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertFalse($handler->handle(4, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(3);
             try {
-                $handler->handle(111, 'foo', 'foo.php', 12, 'foo');
+                $handler->handle(111, 'foo', 'foo.php', 12, array());
             } catch (\ErrorException $e) {
                 $this->assertSame('111: foo in foo.php line 12', $e->getMessage());
                 $this->assertSame(111, $e->getSeverity());
@@ -203,12 +203,12 @@ PHP
             restore_error_handler();
 
             $handler = ErrorHandler::register(E_USER_DEPRECATED);
-            $this->assertTrue($handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertTrue($handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(E_DEPRECATED);
-            $this->assertTrue($handler->handle(E_DEPRECATED, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertTrue($handler->handle(E_DEPRECATED, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
@@ -231,7 +231,7 @@ PHP
 
             $handler = ErrorHandler::register(E_USER_DEPRECATED);
             $handler->setLogger($logger);
-            $handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, 'foo');
+            $handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, array());
 
             restore_error_handler();
         } catch (\Exception $e) {