diff --git a/src/Discord/Discord.php b/src/Discord/Discord.php
index be1be8c8c..db3afd102 100644
--- a/src/Discord/Discord.php
+++ b/src/Discord/Discord.php
@@ -1174,7 +1174,7 @@ protected function ready()
      *
      * @throws \UnexpectedValueException
      */
-    public function updatePresence(Activity $activity = null, bool $idle = false, string $status = 'online', bool $afk = false): void
+    public function updatePresence(?Activity $activity = null, bool $idle = false, string $status = 'online', bool $afk = false): void
     {
         $idle = $idle ? time() * 1000 : null;
 
@@ -1685,7 +1685,7 @@ public function getChannel($channel_id): ?Channel
      *
      * @return RegisteredCommand
      */
-    public function listenCommand($name, callable $callback = null, ?callable $autocomplete_callback = null): RegisteredCommand
+    public function listenCommand($name, ?callable $callback = null, ?callable $autocomplete_callback = null): RegisteredCommand
     {
         if (is_array($name) && count($name) == 1) {
             $name = array_shift($name);