diff --git a/redis/asyncio/client.py b/redis/asyncio/client.py
index 3e6626aedf..5fb94b3353 100644
--- a/redis/asyncio/client.py
+++ b/redis/asyncio/client.py
@@ -455,7 +455,7 @@ async def __aexit__(self, exc_type, exc_value, traceback):
     _DEL_MESSAGE = "Unclosed Redis client"
 
     def __del__(self, _warnings: Any = warnings) -> None:
-        if self.connection is not None:
+        if hasattr(self, "connection") and (self.connection is not None):
             _warnings.warn(
                 f"Unclosed client session {self!r}", ResourceWarning, source=self
             )