diff --git a/src/Monolog/Formatter/NormalizerFormatter.php b/src/Monolog/Formatter/NormalizerFormatter.php
index 654e7901..81b9bb83 100644
--- a/src/Monolog/Formatter/NormalizerFormatter.php
+++ b/src/Monolog/Formatter/NormalizerFormatter.php
@@ -94,7 +94,12 @@ class NormalizerFormatter implements FormatterInterface
                 return $this->normalizeException($data);
             }
 
-            return sprintf("[object] (%s: %s)", get_class($data), $this->toJson($data, true));
+            $objData = $this->toJson($data, true);;
+            if(!$objData and method_exists($data, '__toString')) {
+                $objData = $data;
+            }
+            
+            return sprintf("[object] (%s: %s)", get_class($data), $objData);
         }
 
         if (is_resource($data)) {
diff --git a/tests/Monolog/Formatter/NormalizerFormatterTest.php b/tests/Monolog/Formatter/NormalizerFormatterTest.php
index 75dae895..3ab77a81 100644
--- a/tests/Monolog/Formatter/NormalizerFormatterTest.php
+++ b/tests/Monolog/Formatter/NormalizerFormatterTest.php
@@ -207,7 +207,7 @@ class NormalizerFormatterTest extends \PHPUnit_Framework_TestCase
         );
 
         if (version_compare(PHP_VERSION, '5.5.0', '>=')) {
-            $pattern = '%"wrappedResource":"\[object\] \(Monolog\\\\\\\\Formatter\\\\\\\\TestStreamFoo: \)"%';
+            $pattern = '%"wrappedResource":"\[object\] \(Monolog\\\\\\\\Formatter\\\\\\\\TestStreamFoo: BAR - test_resource\)"%';
         } else {
             $pattern = '%\\\\"resource\\\\":null%';
         }