diff --git a/library.properties b/library.properties
index e118b94..25caf89 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Arduino_SecureElement
-version=0.3.0
+version=0.3.1
 author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Arduino Library for the Atmel/Microchip ECC508 and ECC608 and NXP SE050 crypto chips
diff --git a/src/utility/SElementArduinoCloudDeviceId.cpp b/src/utility/SElementArduinoCloudDeviceId.cpp
index 43b47d6..31c44cd 100644
--- a/src/utility/SElementArduinoCloudDeviceId.cpp
+++ b/src/utility/SElementArduinoCloudDeviceId.cpp
@@ -34,6 +34,11 @@ int SElementArduinoCloudDeviceId::read(SecureElement & se, String & deviceId, co
     return 0;
   }
 
+  int chk;
+  if (sscanf(reinterpret_cast<char *>(device_id_bytes), "%4x%4x-%4x-%4x-%4x-%4x%4x%4x", &chk, &chk, &chk, &chk, &chk, &chk, &chk, &chk) != 8) {
+    return 0;
+  }
+
   deviceId = String(reinterpret_cast<char *>(device_id_bytes));
   return 1;
 }