diff --git a/production/nginx.conf b/production/nginx.conf
index edbb0fdad..141e43622 100644
--- a/production/nginx.conf
+++ b/production/nginx.conf
@@ -148,12 +148,12 @@ http {
 		if ($http_referer ~ ^https://mempool.space/)
 		{
 			set $frameOptions "ALLOW-FROM https://mempool.space";
-			set $contentSecurityPolicy "ALLOW-FROM https://mempool.space";
+			set $contentSecurityPolicy "frame-ancestors https://mempool.space";
 		}
 		if ($http_referer ~ ^https://wiz.biz/)
 		{
 			set $frameOptions "ALLOW-FROM https://wiz.biz";
-			set $contentSecurityPolicy "ALLOW-FROM https://wiz.biz";
+			set $contentSecurityPolicy "frame-ancestors https://wiz.biz";
 		}
 
 		add_header X-Frame-Options $frameOptions;