diff --git a/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php b/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
index df9df09c0bc3..957a3cdb0f4c 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
@@ -65,6 +65,9 @@ public function __construct(callable $exceptionHandler = null, LoggerInterface $
      */
     public function configure(Event $event = null)
     {
+        if ($event instanceof ConsoleEvent && !\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true)) {
+            return;
+        }
         if (!$event instanceof KernelEvent ? !$this->firstCall : !$event->isMasterRequest()) {
             return;
         }
@@ -148,7 +151,7 @@ public static function getSubscribedEvents()
     {
         $events = [KernelEvents::REQUEST => ['configure', 2048]];
 
-        if ('cli' === \PHP_SAPI && \defined('Symfony\Component\Console\ConsoleEvents::COMMAND')) {
+        if (\defined('Symfony\Component\Console\ConsoleEvents::COMMAND')) {
             $events[ConsoleEvents::COMMAND] = ['configure', 2048];
         }