diff --git a/extensions/package-manager/src/PackageManagerServiceProvider.php b/extensions/package-manager/src/PackageManagerServiceProvider.php
index 1269f4683..9b007a8ab 100755
--- a/extensions/package-manager/src/PackageManagerServiceProvider.php
+++ b/extensions/package-manager/src/PackageManagerServiceProvider.php
@@ -42,6 +42,7 @@ class PackageManagerServiceProvider extends AbstractServiceProvider
 
             putenv("COMPOSER_HOME={$paths->storage}/.composer");
             putenv("COMPOSER={$paths->base}/composer.json");
+            putenv("COMPOSER_DISABLE_XDEBUG_WARN=1");
             Config::$defaultConfig['vendor-dir'] = $paths->vendor;
 
             // When running simple require, update and remove commands on packages,