diff --git a/src/shell/packager.php b/src/shell/packager.php
index 0e368f4..cf4da20 100644
--- a/src/shell/packager.php
+++ b/src/shell/packager.php
@@ -165,7 +165,7 @@ public function getAuthors()
         foreach ($this->getComposerJson()->authors as $author) {
             $authors["name"][$author->name] = $author->name;
             $authors["email"][$author->name] = $author->email;
-            $authors["user"][$author->name] = strstr(str_replace('.', '_', $author->email), '@', true);
+            $authors["user"][$author->name] = $author->user ? $author->user : strstr(str_replace('.', '_', $author->email), '@', true);
         }
         return $authors;
     }