diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index a6b001f..251cb0f 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -1046,6 +1046,12 @@
 X509 CRT parse CN: IPv4 valid address
 x509_crt_parse_cn_inet_pton:"10.10.10.10":"0A0A0A0A":4
 
+X509 CRT parse CN: IPv4 leading zeroes #1
+x509_crt_parse_cn_inet_pton:"010.10.10.10":"":0
+
+X509 CRT parse CN: IPv4 leading zeroes #2
+x509_crt_parse_cn_inet_pton:"10.10.10.001":"":0
+
 X509 CRT parse CN: IPv4 excess 0s
 x509_crt_parse_cn_inet_pton:"10.0000.10.10":"":0