diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 1775b06..73249bb 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -290,7 +290,7 @@
 x509parse_crt:"":"":POLARSSL_ERR_X509_CERT_INVALID_FORMAT
 
 X509 Certificate ASN1 (Correct first tag, data length does not match)
-x509parse_crt:"300000":"":POLARSSL_ERR_X509_CERT_INVALID_FORMAT + POLARSSL_ERR_ASN1_LENGTH_MISMATCH
+x509parse_crt:"300000":"":POLARSSL_ERR_X509_CERT_INVALID_FORMAT + POLARSSL_ERR_ASN1_UNEXPECTED_TAG
 
 X509 Certificate ASN1 (Correct first tag, no more data)
 x509parse_crt:"3000":"":POLARSSL_ERR_X509_CERT_INVALID_FORMAT + POLARSSL_ERR_ASN1_OUT_OF_DATA