diff --git a/nixos/modules/services/web-servers/nginx/default.nix b/nixos/modules/services/web-servers/nginx/default.nix
index 850df015b4b3..12afc23592ba 100644
--- a/nixos/modules/services/web-servers/nginx/default.nix
+++ b/nixos/modules/services/web-servers/nginx/default.nix
@@ -198,8 +198,8 @@ let
 
       ${optionalString cfg.statusPage ''
         server {
-          listen ${cfg.defaultHTTPListenPort};
-          ${optionalString enableIPv6 "listen [::]:${cfg.defaultHTTPListenPort};" }
+          listen ${toString cfg.defaultHTTPListenPort};
+          ${optionalString enableIPv6 "listen [::]:${toString cfg.defaultHTTPListenPort};" }
 
           server_name localhost;