diff --git a/app/__init__.py b/app/__init__.py
index cb5e72fb593ddd97e5d02021c49c99372bd8fa9c..9f738cced863a2f0f039e18b91483ab870cf8437 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -48,7 +48,7 @@ def create_app(config_name):
 
         user = {
             "username": re.search(
-                r"([^!]+?)(@uab\.edu)?$", request.headers.get("Persistent-Id")
+                r"([^!]+?)(@uab\.edu)?$", request.headers.get("Remote-User")
             ).group(1),
             "fullname": (
                 f"{request.headers.get('Givenname')}"