diff --git a/conf/nginx.conf b/conf/nginx.conf
index 5096c28..6df184f 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -13,16 +13,18 @@ location /front/ {
         more_set_headers Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; object-src 'none'; media-src 'self' data:";
         more_set_headers Referrer-Policy "strict-origin-when-cross-origin";
         more_set_headers X-Frame-Options "SAMEORIGIN";
+		more_set_headers Service-Worker-Allowed "/";
+
 }
 
 location /front/embed.html {
-	add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; object-src 'none'; media-src 'self' data:";
-    add_header Referrer-Policy "strict-origin-when-cross-origin";
-	add_header X-Frame-Options "ALLOW";
+	more_set_headers Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; object-src 'none'; media-src 'self' data:";
+    more_set_headers Referrer-Policy "strict-origin-when-cross-origin";
+	more_set_headers X-Frame-Options "ALLOW";
 	alias __FINALPATH__/code/front/dist/embed.html;
 	expires 30d;
-    add_header Pragma public;
-    add_header Cache-Control "public, must-revalidate, proxy-revalidate";
+    more_set_headers Pragma public;
+    more_set_headers Cache-Control "public, must-revalidate, proxy-revalidate";
 
 }