diff --git a/tests/test_websocket_client_transport.py b/tests/test_websocket_client_transport.py
index 3ba371cc..b3a0a8f3 100644
--- a/tests/test_websocket_client_transport.py
+++ b/tests/test_websocket_client_transport.py
@@ -2,7 +2,7 @@ from pathlib import Path
 
 
 def test_websocket_client_prefers_polling_before_websocket():
-    script_path = Path(__file__).resolve().parents[1] / "webui" / "static" / "script.js"
+    script_path = Path(__file__).resolve().parents[1] / "webui" / "static" / "core.js"
     script = script_path.read_text(encoding="utf-8")
 
     assert "transports: ['polling', 'websocket']" in script