diff --git a/src/routes/chat/[agentId]/[conversationId]/chat-box.svelte b/src/routes/chat/[agentId]/[conversationId]/chat-box.svelte
index a2d63e80..3f6ddec7 100644
--- a/src/routes/chat/[agentId]/[conversationId]/chat-box.svelte
+++ b/src/routes/chat/[agentId]/[conversationId]/chat-box.svelte
@@ -227,7 +227,9 @@
 	});
 
 	function openFrame() {
-		window.parent.postMessage({ action: "open" }, "*");
+		if (window.location != window.parent.location) {
+			window.parent.postMessage({ action: "open" }, "*");
+		}
 	}
 
 	function resizeChatWindow() {