diff --git a/sanic/sanic.py b/sanic/sanic.py
index 291a2558..2a52a174 100644
--- a/sanic/sanic.py
+++ b/sanic/sanic.py
@@ -342,7 +342,7 @@ class Sanic:
             after_start=after_start, before_stop=before_stop,
             after_stop=after_stop, ssl=ssl, sock=sock, loop=loop,
             protocol=protocol, backlog=backlog, stop_event=stop_event,
-            async_run=True)
+            run_async=True)
 
         # Serve
         proto = "http"