diff --git a/src/Symfony/Component/Process/ProcessUtils.php b/src/Symfony/Component/Process/ProcessUtils.php
index 500202e5844cd..cbc95708ed4a6 100644
--- a/src/Symfony/Component/Process/ProcessUtils.php
+++ b/src/Symfony/Component/Process/ProcessUtils.php
@@ -71,7 +71,7 @@ public static function escapeArgument($argument)
             return $escapedArgument;
         }
 
-        return escapeshellarg($argument);
+        return "'".str_replace("'", "'\\''", $argument)."'";
     }
 
     /**
diff --git a/src/Symfony/Component/Process/Tests/ProcessUtilsTest.php b/src/Symfony/Component/Process/Tests/ProcessUtilsTest.php
index e6564cde5ba6d..0f554b6151801 100644
--- a/src/Symfony/Component/Process/Tests/ProcessUtilsTest.php
+++ b/src/Symfony/Component/Process/Tests/ProcessUtilsTest.php
@@ -43,6 +43,7 @@ public function dataArguments()
             array("'<|>\" \"'\\''f'", '<|>" "\'f'),
             array("''", ''),
             array("'with\\trailingbs\\'", 'with\trailingbs\\'),
+            array("'withNonAsciiAccentLikeéÉèÈàÀöä'", 'withNonAsciiAccentLikeéÉèÈàÀöä'),
         );
     }
 }