diff --git a/src/Symfony/Component/Debug/FatalErrorHandler/UndefinedMethodFatalErrorHandler.php b/src/Symfony/Component/Debug/FatalErrorHandler/UndefinedMethodFatalErrorHandler.php
index 773f4dfa78..4f622deeca 100644
--- a/src/Symfony/Component/Debug/FatalErrorHandler/UndefinedMethodFatalErrorHandler.php
+++ b/src/Symfony/Component/Debug/FatalErrorHandler/UndefinedMethodFatalErrorHandler.php
@@ -40,7 +40,7 @@ class UndefinedMethodFatalErrorHandler implements FatalErrorHandlerInterface
 
         $message = sprintf('Attempted to call an undefined method named "%s" of class "%s".', $methodName, $className);
 
-        if (!class_exists($className) || null === $methods = get_class_methods($className)) {
+        if ('' === $methodName || !class_exists($className) || null === $methods = get_class_methods($className)) {
             // failed to get the class or its methods on which an unknown method was called (for example on an anonymous class)
             return new UndefinedMethodException($message, $exception);
         }
diff --git a/src/Symfony/Component/Debug/Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php b/src/Symfony/Component/Debug/Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php
index 55f2f62880..160dc7fa05 100644
--- a/src/Symfony/Component/Debug/Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php
+++ b/src/Symfony/Component/Debug/Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php
@@ -48,6 +48,15 @@ class UndefinedMethodFatalErrorHandlerTest extends TestCase
                 ],
                 'Attempted to call an undefined method named "what" of class "SplObjectStorage".',
             ],
+            [
+                [
+                    'type' => 1,
+                    'line' => 12,
+                    'file' => 'foo.php',
+                    'message' => 'Call to undefined method SplObjectStorage::()',
+                ],
+                'Attempted to call an undefined method named "" of class "SplObjectStorage".',
+            ],
             [
                 [
                     'type' => 1,
diff --git a/src/Symfony/Component/ErrorHandler/ErrorEnhancer/UndefinedMethodErrorEnhancer.php b/src/Symfony/Component/ErrorHandler/ErrorEnhancer/UndefinedMethodErrorEnhancer.php
index ad0e4b3eef..c4355f92ce 100644
--- a/src/Symfony/Component/ErrorHandler/ErrorEnhancer/UndefinedMethodErrorEnhancer.php
+++ b/src/Symfony/Component/ErrorHandler/ErrorEnhancer/UndefinedMethodErrorEnhancer.php
@@ -39,7 +39,7 @@ class UndefinedMethodErrorEnhancer implements ErrorEnhancerInterface
 
         $message = sprintf('Attempted to call an undefined method named "%s" of class "%s".', $methodName, $className);
 
-        if (!class_exists($className) || null === $methods = get_class_methods($className)) {
+        if ('' === $methodName || !class_exists($className) || null === $methods = get_class_methods($className)) {
             // failed to get the class or its methods on which an unknown method was called (for example on an anonymous class)
             return new UndefinedMethodError($message, $error);
         }
diff --git a/src/Symfony/Component/ErrorHandler/Tests/ErrorEnhancer/UndefinedMethodErrorEnhancerTest.php b/src/Symfony/Component/ErrorHandler/Tests/ErrorEnhancer/UndefinedMethodErrorEnhancerTest.php
index d6ac6c029c..b31c6c292a 100644
--- a/src/Symfony/Component/ErrorHandler/Tests/ErrorEnhancer/UndefinedMethodErrorEnhancerTest.php
+++ b/src/Symfony/Component/ErrorHandler/Tests/ErrorEnhancer/UndefinedMethodErrorEnhancerTest.php
@@ -40,6 +40,10 @@ class UndefinedMethodErrorEnhancerTest extends TestCase
                 'Call to undefined method SplObjectStorage::what()',
                 'Attempted to call an undefined method named "what" of class "SplObjectStorage".',
             ],
+            [
+                'Call to undefined method SplObjectStorage::()',
+                'Attempted to call an undefined method named "" of class "SplObjectStorage".',
+            ],
             [
                 'Call to undefined method SplObjectStorage::walid()',
                 "Attempted to call an undefined method named \"walid\" of class \"SplObjectStorage\".\nDid you mean to call \"valid\"?",