diff --git a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
index 031564aecf..8e1a05945f 100644
--- a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
+++ b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
@@ -255,7 +255,7 @@ public class DefaultTransportApiService implements TransportApiService {
                     return getEmptyTransportApiResponseFuture();
                 }
             } else if (deviceProfile != null) {
-                log.warn("[{}] Device Profile provision configuration mismatched: expected {},  actual {}", deviceProfile.getName(), X509_CERTIFICATE_CHAIN, deviceProfile.getProvisionType());
+                log.warn("[{}] Device Profile provision configuration mismatched: expected {}, actual {}", deviceProfile.getId(), X509_CERTIFICATE_CHAIN, deviceProfile.getProvisionType());
             }
         }
         return getEmptyTransportApiResponseFuture();
diff --git a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttSslHandlerProvider.java b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttSslHandlerProvider.java
index f7a85425fe..1cc4f90915 100644
--- a/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttSslHandlerProvider.java
+++ b/common/transport/mqtt/src/main/java/org/thingsboard/server/transport/mqtt/MqttSslHandlerProvider.java
@@ -165,6 +165,7 @@ public class MqttSslHandlerProvider {
                         });
                 latch.await(10, TimeUnit.SECONDS);
                 if (!clientDeviceCertValue.equals(credentialsBodyHolder[0])) {
+                    log.debug("Failed to find credentials for device certificate chain: {}", chain);
                     if (chain.length == 1) {
                         throw new CertificateException("Invalid Device Certificate");
                     } else {