diff --git a/symfony/console/3.3/bin/console b/symfony/console/3.3/bin/console
index 8ec3af44..9f0dd4ea 100755
--- a/symfony/console/3.3/bin/console
+++ b/symfony/console/3.3/bin/console
@@ -21,7 +21,7 @@ if (!isset($_SERVER['APP_ENV'])) {
 
 $input = new ArgvInput();
 $env = $input->getParameterOption(['--env', '-e'], $_SERVER['APP_ENV'] ?? 'dev');
-$debug = ($_SERVER['APP_DEBUG'] ?? true) !== '0' && !$input->hasParameterOption(['--no-debug', '']);
+$debug = ($_SERVER['APP_DEBUG'] ?? ('prod' !== $env)) && !$input->hasParameterOption(['--no-debug', '']);
 
 if ($debug) {
     umask(0000);
diff --git a/symfony/framework-bundle/3.3/public/index.php b/symfony/framework-bundle/3.3/public/index.php
index d2c826af..d5255812 100644
--- a/symfony/framework-bundle/3.3/public/index.php
+++ b/symfony/framework-bundle/3.3/public/index.php
@@ -12,7 +12,7 @@ if (!isset($_SERVER['APP_ENV'])) {
     (new Dotenv())->load(__DIR__.'/../.env');
 }
 
-if ($_SERVER['APP_DEBUG'] ?? false) {
+if ($_SERVER['APP_DEBUG'] ?? ('prod' !== ($_SERVER['APP_ENV'] ?? 'dev'))) {
     umask(0000);
 
     Debug::enable();
@@ -20,7 +20,7 @@ if ($_SERVER['APP_DEBUG'] ?? false) {
 
 // Request::setTrustedProxies(['0.0.0.0/0'], Request::HEADER_FORWARDED);
 
-$kernel = new Kernel($_SERVER['APP_ENV'] ?? 'dev', $_SERVER['APP_DEBUG'] ?? false);
+$kernel = new Kernel($_SERVER['APP_ENV'] ?? 'dev', $_SERVER['APP_DEBUG'] ?? ('prod' !== ($_SERVER['APP_ENV'] ?? 'dev')));
 $request = Request::createFromGlobals();
 $response = $kernel->handle($request);
 $response->send();