diff --git a/src/Symfony/Component/VarDumper/Dumper/HtmlDumper.php b/src/Symfony/Component/VarDumper/Dumper/HtmlDumper.php
index b587e78f91..4ff6f82f2c 100644
--- a/src/Symfony/Component/VarDumper/Dumper/HtmlDumper.php
+++ b/src/Symfony/Component/VarDumper/Dumper/HtmlDumper.php
@@ -31,7 +31,7 @@ class HtmlDumper extends CliDumper
     protected $headerIsDumped = false;
     protected $lastDepth = -1;
     protected $styles = array(
-        'default' => 'background-color:#18171B; color:#FF8400; line-height:1.2em; font:12px Menlo, Monaco, Consolas, monospace',
+        'default' => 'background-color:#18171B; color:#FF8400; line-height:1.2em; font:12px Menlo, Monaco, Consolas, monospace; word-wrap: break-word; white-space: pre-wrap',
         'num' => 'font-weight:bold; color:#1299DA',
         'const' => 'font-weight:bold',
         'str' => 'font-weight:bold; color:#56DB3A',