diff --git a/src/factory/interface/nfe/index.ts b/src/factory/interface/nfe/index.ts
index 30959c0..e7979ef 100644
--- a/src/factory/interface/nfe/index.ts
+++ b/src/factory/interface/nfe/index.ts
@@ -359,8 +359,8 @@ export interface DetalhePagamento {
     indicadorFormaPagamento: string;
     formaPagamento: string;
     valor: string;
-    dadosCartao: DetalhePgtoCartao;
-    descricaoFormaPagamento: string;
+    dadosCartao?: DetalhePgtoCartao;
+    descricaoFormaPagamento?: string;
 }
 
 export interface DetalhePgtoCartao {
@@ -429,6 +429,7 @@ export interface Endereco {
 
 export interface Certificado {
     key: any;
+    pem: any;
     pfx: any;
     password: string;
     opcoes?: OpcoesCertificado;
diff --git a/src/factory/webservices/webserviceHelper.ts b/src/factory/webservices/webserviceHelper.ts
index 8bffcc0..5b1a118 100644
--- a/src/factory/webservices/webserviceHelper.ts
+++ b/src/factory/webservices/webserviceHelper.ts
@@ -56,7 +56,7 @@ export abstract class WebServiceHelper {
                 },
                 agent: new https.Agent({
                     rejectUnauthorized: false,
-                    // pfx: cert.pfx,
+                    pfx: cert.pfx,
                     cert: cert.pem,
                     key: cert.key,
                     passphrase: cert.password,