diff --git a/discord/utils.py b/discord/utils.py
index b2068ee5c..ec4e1bbaa 100644
--- a/discord/utils.py
+++ b/discord/utils.py
@@ -83,6 +83,9 @@ class _MissingSentinel:
     def __eq__(self, other):
         return False
 
+    def __bool__(self):
+        return False
+
     def __repr__(self):
         return '...'