diff --git a/nixos/modules/services/web-apps/codimd.nix b/nixos/modules/services/web-apps/codimd.nix
index 5f56f8ed5a0..751f81649dd 100644
--- a/nixos/modules/services/web-apps/codimd.nix
+++ b/nixos/modules/services/web-apps/codimd.nix
@@ -156,7 +156,7 @@ in
       };
       useCDN = mkOption {
         type = types.bool;
-        default = true;
+        default = false;
         description = ''
           Whether to use CDN resources or not.
         '';