diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index ceab716..f673c3f 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -24,5 +24,5 @@ server {
         expires max;
     }
 
-    add_header Content-Security-Policy "frame-ancestors https://www.gmba.unibe.ch"
+    add_header Content-Security-Policy "frame-ancestors https://www.gmba.unibe.ch";
 }