diff --git a/ariadne/asgi/handlers/http.py b/ariadne/asgi/handlers/http.py
index 184282b7..b06c5bef 100644
--- a/ariadne/asgi/handlers/http.py
+++ b/ariadne/asgi/handlers/http.py
@@ -179,7 +179,7 @@ def __init__(
         self.send_timeout = send_timeout
         self.ping_interval = ping_interval or self.DEFAULT_PING_INTERVAL
         self.encoding = encoding or "utf-8"
-        self.content = None
+        self.body = None
 
         _headers: Dict[str, str] = {}
         if headers is not None: