diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index b565b1d8a9e226..26a6ec8b65ad6d 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -380,6 +380,7 @@ async def serve_forever(self):
         except exceptions.CancelledError:
             try:
                 self.close()
+                self.close_clients()
                 await self.wait_closed()
             finally:
                 raise