diff --git a/lib/asn1/asn1_err.et b/lib/asn1/asn1_err.et
index 739a314e3..8db6e21f5 100644
--- a/lib/asn1/asn1_err.et
+++ b/lib/asn1/asn1_err.et
@@ -17,4 +17,5 @@ error_code BAD_ID,		"ASN.1 identifier doesn't match expected value"
 error_code BAD_LENGTH,		"ASN.1 length doesn't match expected value"
 error_code BAD_FORMAT,		"ASN.1 badly-formatted encoding"
 error_code PARSE_ERROR,		"ASN.1 parse error"
+error_code EXTRA_DATA,		"ASN.1 extra data past end of end structure"
 end