diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index f089570..ef7bbd4 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -418,9 +418,9 @@
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_RSA_C:POLARSSL_PKCS1_V15
 x509_verify:"data_files/server2.crt":"data_files/server1.crt":"data_files/crl_expired.pem":"NULL":0:0:"verify_all"
 
-X509 Certificate verification #21 (domain matching wildcard certificate)
+X509 Certificate verification #21 (domain matching wildcard certificate, case insensitive)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_SHA1_C:POLARSSL_RSA_C:POLARSSL_PKCS1_V15
-x509_verify:"data_files/cert_example_wildcard.crt":"data_files/test-ca.crt":"data_files/crl.pem":"mail.example.com":0:0:"NULL"
+x509_verify:"data_files/cert_example_wildcard.crt":"data_files/test-ca.crt":"data_files/crl.pem":"mail.ExAmPlE.com":0:0:"NULL"
 
 X509 Certificate verification #22 (domain not matching wildcard certificate)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_SHA1_C:POLARSSL_RSA_C:POLARSSL_PKCS1_V15