diff --git a/src/lib/api/feed/utils.ts b/src/lib/api/feed/utils.ts
index b6ef738fcc..29bca09fc3 100644
--- a/src/lib/api/feed/utils.ts
+++ b/src/lib/api/feed/utils.ts
@@ -12,7 +12,7 @@ if (IS_WEB && typeof window !== 'undefined') {
 
 export function createBskyTopicsHeader(userInterests?: string) {
   return {
-    'X-Bsky-Topics': debugTopics || userInterests || '',
+    'x-atproto-bsky-topics': debugTopics || userInterests || '',
   }
 }