diff --git a/lib/hx509/hx509_err.et b/lib/hx509/hx509_err.et
index 0d024f7df..495885526 100644
--- a/lib/hx509/hx509_err.et
+++ b/lib/hx509/hx509_err.et
@@ -31,6 +31,7 @@ error_code UNKNOWN_LOCK_COMMAND, "Unknown lock command"
 error_code PARENT_IS_CA, "Parent certificate is a CA"
 error_code EXTRA_DATA_AFTER_STRUCTURE, "Extra data was found after the structure"
 error_code PROXY_CERT_INVALID, "Proxy certificate is invalid"
+error_code PROXY_CERT_NAME_WRONG, "Proxy certificate is invalid"
 
 # cms related errors
 index 32