diff --git a/sanic/server.py b/sanic/server.py
index 2e27d80b..07b755ed 100644
--- a/sanic/server.py
+++ b/sanic/server.py
@@ -14,7 +14,7 @@ from ipaddress import ip_address
 from signal import SIG_IGN, SIGINT, SIGTERM, Signals
 from signal import signal as signal_func
 from time import time
-from typing import Type
+from typing import Dict, Type, Union
 
 from httptools import HttpRequestParser  # type: ignore
 from httptools.parser.errors import HttpParserError  # type: ignore
@@ -955,15 +955,15 @@ def serve(
 
 def _build_protocol_kwargs(
     protocol: Type[HttpProtocol], config: Config
-) -> dict:
-    if hasattr(protocol, "websocket_timeout"):
+) -> Dict[str, Union[int, float]]:
+    if hasattr(protocol, "websocket_handshake"):
         return {
-            "max_size": config.WEBSOCKET_MAX_SIZE,
-            "max_queue": config.WEBSOCKET_MAX_QUEUE,
-            "read_limit": config.WEBSOCKET_READ_LIMIT,
-            "write_limit": config.WEBSOCKET_WRITE_LIMIT,
-            "ping_timeout": config.WEBSOCKET_PING_TIMEOUT,
-            "ping_interval": config.WEBSOCKET_PING_INTERVAL,
+            "websocket_max_size": config.WEBSOCKET_MAX_SIZE,
+            "websocket_max_queue": config.WEBSOCKET_MAX_QUEUE,
+            "websocket_read_limit": config.WEBSOCKET_READ_LIMIT,
+            "websocket_write_limit": config.WEBSOCKET_WRITE_LIMIT,
+            "websocket_ping_timeout": config.WEBSOCKET_PING_TIMEOUT,
+            "websocket_ping_interval": config.WEBSOCKET_PING_INTERVAL,
         }
     return {}
 
diff --git a/tests/test_app.py b/tests/test_app.py
index 5a7afa59..dab46061 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -170,12 +170,20 @@ def test_app_websocket_parameters(websocket_protocol_mock, app):
 
     websocket_protocol_call_args = websocket_protocol_mock.call_args
     ws_kwargs = websocket_protocol_call_args[1]
-    assert ws_kwargs["max_size"] == app.config.WEBSOCKET_MAX_SIZE
-    assert ws_kwargs["max_queue"] == app.config.WEBSOCKET_MAX_QUEUE
-    assert ws_kwargs["read_limit"] == app.config.WEBSOCKET_READ_LIMIT
-    assert ws_kwargs["write_limit"] == app.config.WEBSOCKET_WRITE_LIMIT
-    assert ws_kwargs["ping_timeout"] == app.config.WEBSOCKET_PING_TIMEOUT
-    assert ws_kwargs["ping_interval"] == app.config.WEBSOCKET_PING_INTERVAL
+    assert ws_kwargs["websocket_max_size"] == app.config.WEBSOCKET_MAX_SIZE
+    assert ws_kwargs["websocket_max_queue"] == app.config.WEBSOCKET_MAX_QUEUE
+    assert ws_kwargs["websocket_read_limit"] == app.config.WEBSOCKET_READ_LIMIT
+    assert (
+        ws_kwargs["websocket_write_limit"] == app.config.WEBSOCKET_WRITE_LIMIT
+    )
+    assert (
+        ws_kwargs["websocket_ping_timeout"]
+        == app.config.WEBSOCKET_PING_TIMEOUT
+    )
+    assert (
+        ws_kwargs["websocket_ping_interval"]
+        == app.config.WEBSOCKET_PING_INTERVAL
+    )
 
 
 def test_handle_request_with_nested_exception(app, monkeypatch):