diff --git a/lib/hx509/hx509_err.et b/lib/hx509/hx509_err.et
index 08eeabe4b..c0502faf9 100644
--- a/lib/hx509/hx509_err.et
+++ b/lib/hx509/hx509_err.et
@@ -50,4 +50,13 @@ error_code SIG_INVALID_FORMAT, "Invalid format on signature"
 error_code OID_MISMATCH, "Mismatch bewteen oids"
 error_code NO_PROMPTER, "No prompter function defined"
 
+index 94
+prefix HX509_CRL
+error_code USED_BEFORE_TIME, "CRL used before it became valid"
+error_code USED_AFTER_TIME, "CRL used after it became invalid"
+error_code INVALID_FORMAT, "CRL have invalid format"
+error_code CERT_REVOKED, "Certificate is included in CRL"
+error_code MISSING, "No CRL found for certificates CA"
+
+
 end