diff --git a/src/constants/header-keys.js b/src/constants/header-keys.js
index 4c509f47b..03b88b5cb 100644
--- a/src/constants/header-keys.js
+++ b/src/constants/header-keys.js
@@ -1,8 +1,8 @@
 export const headerKeys = {
     EXPERIMENT: "X-Experiment-Data",
-    APPLICATION_NAME: "Application-Name",
-    REFERRAL_SEQUENCE_NUMBER: "referral-Sequence-Number",
-    SESSION_SEQUENCE_NUMBER: "session-Sequence-Number",
-    TRANSACTION_ID: "transaction-Id",
-    EON: "eon",
+    APPLICATION_NAME: "X-Application-Name",
+    REFERRAL_SEQUENCE_NUMBER: "X-Referral-Sequence-Number",
+    SESSION_SEQUENCE_NUMBER: "X-Session-Sequence-Number",
+    TRANSACTION_ID: "X-Transaction-Id",
+    EON: "X-Eon",
 };