diff --git a/dropbox/provider/__init__.py b/dropbox/provider/__init__.py
index 6c2834bdb..ca32805cd 100644
--- a/dropbox/provider/__init__.py
+++ b/dropbox/provider/__init__.py
@@ -30,4 +30,5 @@ def create_app() -> connexion.FlaskApp:
         1
     ].upper()  # Current directory name, upper-cased
     flask_app.config.from_prefixed_env(config_prefix)
+    flask_app.config["APP_ID"] = config_prefix
     return flask_app