diff --git a/app/doorboy-proxy.py b/app/doorboy-proxy.py
index 8ebf515..bc04578 100755
--- a/app/doorboy-proxy.py
+++ b/app/doorboy-proxy.py
@@ -14,7 +14,7 @@ from sanic_prometheus import monitor
 from slack import slack_app
 
 app = Sanic(__name__)
-app.register_blueprint(slack_app)
+app.blueprint(slack_app)
 monitor(app).expose_endpoint()
 
 # API key for godoor controllers authenticating to k-space:floor