1 files changed, 4 insertions, 1 deletions
diff --git a/lib/composer/autoload.php b/lib/composer/autoload.php
index 7b1481e876c..b3b39129e7a 100644
--- a/lib/composer/autoload.php
+++ b/lib/composer/autoload.php
@@ -14,7 +14,10 @@ if (PHP_VERSION_ID < 50600) {
             echo $err;
         }
     }
-    throw new RuntimeException($err);
+    trigger_error(
+        $err,
+        E_USER_ERROR
+    );
 }
 
 require_once __DIR__ . '/composer/autoload_real.php';