diff --git a/tools/cert_create/include/cert.h b/tools/cert_create/include/cert.h
index 9b4ef5a..07bb337 100644
--- a/tools/cert_create/include/cert.h
+++ b/tools/cert_create/include/cert.h
@@ -12,7 +12,7 @@
 #include "ext.h"
 #include "key.h"
 
-#define CERT_MAX_EXT			4
+#define CERT_MAX_EXT			5
 
 /*
  * This structure contains information related to the generation of the