diff --git a/lib/hx509/hx509.h b/lib/hx509/hx509.h
index 55dd29623..d579be05b 100644
--- a/lib/hx509/hx509.h
+++ b/lib/hx509/hx509.h
@@ -111,6 +111,7 @@ typedef enum {
 
 /* flags to hx509_certs_init */
 #define HX509_CERTS_CREATE				0x01
+#define HX509_CERTS_UNPROTECT_ALL			0x02
 
 /* flags to hx509_set_error_string */
 #define HX509_ERROR_APPEND				0x01