diff --git a/nixos/modules/services/web-servers/nginx/default.nix b/nixos/modules/services/web-servers/nginx/default.nix
index 17b169f7c69..b231ee5a3f0 100644
--- a/nixos/modules/services/web-servers/nginx/default.nix
+++ b/nixos/modules/services/web-servers/nginx/default.nix
@@ -16,9 +16,11 @@ let
     } // (optionalAttrs vhostConfig.enableACME {
       sslCertificate = "${acmeDirectory}/${serverName}/fullchain.pem";
       sslCertificateKey = "${acmeDirectory}/${serverName}/key.pem";
+      sslTrustedCertificate = "${acmeDirectory}/${serverName}/full.pem";
     }) // (optionalAttrs (vhostConfig.useACMEHost != null) {
       sslCertificate = "${acmeDirectory}/${vhostConfig.useACMEHost}/fullchain.pem";
       sslCertificateKey = "${acmeDirectory}/${vhostConfig.useACMEHost}/key.pem";
+      sslTrustedCertificate = "${acmeDirectory}/${vhostConfig.useACMEHost}/full.pem";
     })
   ) cfg.virtualHosts;
   enableIPv6 = config.networking.enableIPv6;
@@ -228,6 +230,9 @@ let
             ssl_certificate ${vhost.sslCertificate};
             ssl_certificate_key ${vhost.sslCertificateKey};
           ''}
+          ${optionalString (hasSSL && vhost.sslTrustedCertificate != null) ''
+            ssl_trusted_certificate ${vhost.sslTrustedCertificate};
+          ''}
 
           ${optionalString (vhost.basicAuthFile != null || vhost.basicAuth != {}) ''
             auth_basic secured;
diff --git a/nixos/modules/services/web-servers/nginx/vhost-options.nix b/nixos/modules/services/web-servers/nginx/vhost-options.nix
index 1075b00768f..6954d932eed 100644
--- a/nixos/modules/services/web-servers/nginx/vhost-options.nix
+++ b/nixos/modules/services/web-servers/nginx/vhost-options.nix
@@ -129,6 +129,13 @@ with lib;
       description = "Path to server SSL certificate key.";
     };
 
+    sslTrustedCertificate = mkOption {
+      type = types.path;
+      default = null;
+      example = "/var/root.cert";
+      description = "Path to root SSL certificate for stapling and client certificates.";
+    };
+
     http2 = mkOption {
       type = types.bool;
       default = true;