diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/routes/authentication_controller.py b/spiffworkflow-backend/src/spiffworkflow_backend/routes/authentication_controller.py
index d83672d1..79ff9ef4 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/routes/authentication_controller.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/routes/authentication_controller.py
@@ -465,7 +465,7 @@ def _parse_id_token(token: str) -> Any:
 def _get_authentication_identifier_from_request() -> str:
     if "authentication_identifier" in request.cookies:
         return request.cookies["authentication_identifier"]
-    if "Authentication-Identifier" in request.headers:
-        authentication_identifier: str = request.headers["Authentication-Identifier"]
+    if "SpiffWorkflow-Authentication-Identifier" in request.headers:
+        authentication_identifier: str = request.headers["SpiffWorkflow-Authentication-Identifier"]
         return authentication_identifier
     return "default"
diff --git a/spiffworkflow-frontend/src/services/HttpService.ts b/spiffworkflow-frontend/src/services/HttpService.ts
index 44b6293c..fee597d3 100644
--- a/spiffworkflow-frontend/src/services/HttpService.ts
+++ b/spiffworkflow-frontend/src/services/HttpService.ts
@@ -12,7 +12,7 @@ export const getBasicHeaders = (): Record<string, string> => {
   if (UserService.isLoggedIn()) {
     return {
       Authorization: `Bearer ${UserService.getAccessToken()}`,
-      'Authentication-Identifier':
+      'SpiffWorkflow-Authentication-Identifier':
         UserService.getAuthenticationIdentifier() || '',
     };
   }