diff --git a/ping.py b/ping.py
index 4f39640e..681c75d8 100644
--- a/ping.py
+++ b/ping.py
@@ -17,7 +17,7 @@ if url.drivername.startswith("sqlite"):
 
 # Null out the database so raw_connection doesnt error if it doesnt exist
 # CTFd will create the database if it doesnt exist
-url = url.set(database=None)
+url = url._replace(database=None)
 
 # Wait for the database server to be available
 engine = create_engine(url)