diff --git a/src/Symfony/Component/Process/ProcessUtils.php b/src/Symfony/Component/Process/ProcessUtils.php
index d5f5d9cb08..84059cac73 100644
--- a/src/Symfony/Component/Process/ProcessUtils.php
+++ b/src/Symfony/Component/Process/ProcessUtils.php
@@ -46,6 +46,7 @@ class ProcessUtils
             }
 
             $escapedArgument = '';
+            $quote =  false;
             foreach (preg_split('/([%"])/i', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
                 if ('"' === $part) {
                     $escapedArgument .= '\\"';
@@ -55,9 +56,17 @@ class ProcessUtils
                     if ('\\' === substr($part, -1)) {
                         $part .= '\\';
                     }
-                    $escapedArgument .= escapeshellarg($part);
+                    $part = escapeshellarg($part);
+                    if ($part[0] === '"' && $part[strlen($part) - 1] === '"') {
+                        $part = substr($part, 1, -1);
+                        $quote = true;
+                    }
+                    $escapedArgument .= $part;
                 }
             }
+            if ($quote) {
+                $escapedArgument = '"' . $escapedArgument . '"';
+            }
 
             return $escapedArgument;
         }