diff --git a/tests/data_files/enco-ca-prstr.pem b/tests/data_files/enco-ca-prstr.pem
new file mode 100644
index 0000000000..6503314a1c
--- /dev/null
+++ b/tests/data_files/enco-ca-prstr.pem
@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/data_files/enco-cert-utf8str.pem b/tests/data_files/enco-cert-utf8str.pem
new file mode 100644
index 0000000000..7d613d9456
--- /dev/null
+++ b/tests/data_files/enco-cert-utf8str.pem
@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index c5c4af7611..4cc924fa47 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -642,6 +642,10 @@ X509 Certificate verification #74 (signed by selfsigned trusted without CA bit)
 depends_on:POLARSSL_PEM_PARSE_C:POLARSSL_ECDSA_C:POLARSSL_SHA256_C
 x509_verify:"data_files/server6-ss-child.crt":"data_files/server5-selfsigned.crt":"data_files/crl.pem":"NULL":POLARSSL_ERR_X509_CERT_VERIFY_FAILED:BADCERT_NOT_TRUSTED:"NULL"
 
+X509 Certificate verification #75 (encoding mismatch)
+depends_on:POLARSSL_PEM_PARSE_C
+x509_verify:"data_files/enco-cert-utf8str.pem":"data_files/enco-ca-prstr.pem":"data_files/crl.pem":"NULL":0:0:"NULL"
+
 X509 Parse Selftest
 depends_on:POLARSSL_SHA1_C:POLARSSL_PEM_PARSE_C:POLARSSL_CERTS_C
 x509_selftest: