diff --git a/hosts/fwminex/configuration.nix b/hosts/fwminex/configuration.nix
index f281029..3aa64e5 100644
--- a/hosts/fwminex/configuration.nix
+++ b/hosts/fwminex/configuration.nix
@@ -245,6 +245,7 @@ in
         '';
         "jakstys.lt".extraConfig = ''
           header Strict-Transport-Security "max-age=31536000"
+          Content-Security-Policy: default-src 'self'
 
           header /_/* Cache-Control "public, max-age=31536000, immutable"