diff --git a/redis/asyncio/connection.py b/redis/asyncio/connection.py
index 35536fc883..cb18a5a2f0 100644
--- a/redis/asyncio/connection.py
+++ b/redis/asyncio/connection.py
@@ -685,7 +685,7 @@ def __del__(self):
 
     @property
     def is_connected(self):
-        return self._reader and self._writer
+        return self._reader is not None and self._writer is not None
 
     def register_connect_callback(self, callback):
         self._connect_callbacks.append(weakref.WeakMethod(callback))