diff --git a/src/Symfony/Component/HttpKernel/Log/Logger.php b/src/Symfony/Component/HttpKernel/Log/Logger.php
index 8facb03c5a29..617efcf13e5a 100644
--- a/src/Symfony/Component/HttpKernel/Log/Logger.php
+++ b/src/Symfony/Component/HttpKernel/Log/Logger.php
@@ -42,8 +42,8 @@ public function __construct($minLevel = null, $output = 'php://stderr', callable
         if (null === $minLevel) {
             $minLevel = LogLevel::WARNING;
 
-            if (isset($_SERVER['SHELL_VERBOSITY'])) {
-                switch ((int) $_SERVER['SHELL_VERBOSITY']) {
+            if (isset($_ENV['SHELL_VERBOSITY']) || isset($_SERVER['SHELL_VERBOSITY'])) {
+                switch ((int) (isset($_ENV['SHELL_VERBOSITY']) ? $_ENV['SHELL_VERBOSITY'] : $_SERVER['SHELL_VERBOSITY'])) {
                     case -1: $minLevel = LogLevel::ERROR; break;
                     case 1: $minLevel = LogLevel::NOTICE; break;
                     case 2: $minLevel = LogLevel::INFO; break;