diff --git a/src/ui/UserPortal/js/types/index.ts b/src/ui/UserPortal/js/types/index.ts
index 6d194ef09..ff277d25f 100644
--- a/src/ui/UserPortal/js/types/index.ts
+++ b/src/ui/UserPortal/js/types/index.ts
@@ -53,7 +53,7 @@ export interface Message {
 	type: string;
 	sessionId: string;
 	timeStamp: string;
-	sender: 'User' | 'Assistant';
+	sender: 'User' | 'Agent';
 	senderDisplayName: string | null;
 	tokens: number;
 	text: string;