diff --git a/frontend/src/react/helpers/connection-template-fetcher.ts b/frontend/src/react/helpers/connection-template-fetcher.ts
index eafdbeba1a61..21721ca8dcd8 100644
--- a/frontend/src/react/helpers/connection-template-fetcher.ts
+++ b/frontend/src/react/helpers/connection-template-fetcher.ts
@@ -78,7 +78,10 @@ export async function fetchConnectionTemplate(
   try {
     const response = await fetch(url, {
       method: 'GET',
-      headers: { Accept: 'text/vnd.turbo-stream.html' },
+      headers: {
+        Accept: 'text/vnd.turbo-stream.html',
+        'X-Authentication-Scheme': 'Session',
+      },
     });
 
     if (!response.ok) {
diff --git a/frontend/src/stimulus/controllers/dynamic/documents/live-events.controller.ts b/frontend/src/stimulus/controllers/dynamic/documents/live-events.controller.ts
index 8b728768ddad..25987fab7a42 100644
--- a/frontend/src/stimulus/controllers/dynamic/documents/live-events.controller.ts
+++ b/frontend/src/stimulus/controllers/dynamic/documents/live-events.controller.ts
@@ -117,7 +117,10 @@ export default class extends ApplicationController {
   private fetchTemplate(url:string) {
     void fetch(url, {
       method: 'GET',
-      headers: { Accept: 'text/vnd.turbo-stream.htm' },
+      headers: {
+        Accept: 'text/vnd.turbo-stream.html',
+        'X-Authentication-Scheme': 'Session',
+      },
     })
       .then((response:Response) => {
         if (response.ok) {