diff --git a/modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/crypto/SigningService.java b/modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/crypto/SigningService.java
index 73b6496..2edb964 100644
--- a/modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/crypto/SigningService.java
+++ b/modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/crypto/SigningService.java
@@ -97,8 +97,8 @@ public class SigningService {
         if (hint != null && !hint.isBlank()) {
             Optional<ManagedCertificate> found = certificateManager.findByHint(hint);
             if (found.isEmpty()) {
-                // Tenta rediscovery caso um token tenha acabado de ser conectado
-                certificateManager.discoverCertificates();
+                // Tenta rediscovery forçado caso um token tenha acabado de ser conectado
+                certificateManager.discoverCertificates(true);
                 found = certificateManager.findByHint(hint);
             }
             if (found.isPresent()) {
@@ -113,8 +113,8 @@ public class SigningService {
         // Sem hint: seleciona automaticamente se houver apenas um certificado operacional disponível
         List<ManagedCertificate> available = certificateManager.getAvailableCertificates();
         if (available.isEmpty()) {
-            // Tenta redescobrir
-            certificateManager.discoverCertificates();
+            // Tenta redescobrir forçando consulta aos provedores
+            certificateManager.discoverCertificates(true);
             available = certificateManager.getAvailableCertificates();
         }