diff --git a/lib/Docopt.php b/lib/Docopt.php
index 4ee452a..46c5229 100644
--- a/lib/Docopt.php
+++ b/lib/Docopt.php
@@ -167,7 +167,9 @@ class Docopt {
             }
         }
         # return Either(*[Required(*e) for e in result])
-        return new Either(...$result); // FIXME: This is wrong, but I'm not sure what the Python line does, yet
+        return new Either(...array_map(function($e) {
+            return new Required(...$e);
+        }, $result));
     }
 }