diff --git a/tests/data_files/dir4/Readme b/tests/data_files/dir4/Readme
index 7217b75..3f1f610 100644
--- a/tests/data_files/dir4/Readme
+++ b/tests/data_files/dir4/Readme
@@ -40,3 +40,8 @@
 ```
 cert81.crt -> cert82.crt (max_pathlen=0) -> cert83.crt
 ```
+
+9. zero pathlen constraint on trusted root (valid)
+```
+cert91.crt (max_pathlen=0) -> cert92.crt
+```
diff --git a/tests/data_files/dir4/cert91.crt b/tests/data_files/dir4/cert91.crt
new file mode 100644
index 0000000..6d4605a
--- /dev/null
+++ b/tests/data_files/dir4/cert91.crt
@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
diff --git a/tests/data_files/dir4/cert92.crt b/tests/data_files/dir4/cert92.crt
new file mode 100644
index 0000000..49b53a5
--- /dev/null
+++ b/tests/data_files/dir4/cert92.crt
@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----
+MIIBoTCCAUWgAwIBAgIBXDAMBggqhkjOPQQDAgUAMDExDzANBgNVBAMTBlJvb3Qg
+OTERMA8GA1UEChMIbWJlZCBUTFMxCzAJBgNVBAYTAlVLMB4XDTAxMDEwMTAwMDAw
+MFoXDTMwMTIzMTIzNTk1OVowMDEOMAwGA1UEAxMFRUUgOTIxETAPBgNVBAoTCG1i
+ZWQgVExTMQswCQYDVQQGEwJVSzBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABC9E
+tK1pE8Ei8vgScunyjx50C+qDsQS8D2RhGHC4VkE2yyiFxJA/ynhoeXTKZsHuEWI9
+CfOSvk0RrTWf9nr0pTGjTTBLMAkGA1UdEwQCMAAwHQYDVR0OBBYEFLqsN52tAf1k
+XlzxQmdD5qG6Sy6PMB8GA1UdIwQYMBaAFFvNWtwDF12PSLQMSq9MZPwXftuLMAwG
+CCqGSM49BAMCBQADSAAwRQIgXlfKqhkhXgK112Eycl+Z5NHM+6aqXE7i9j7IyGfk
+ikICIQDBYNGbpSx82XG+IS/h4AWNTa4Hs6rmWvQDWJum7NrzMQ==
+-----END CERTIFICATE-----
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 5d9311c..2f2137f 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -1160,10 +1160,14 @@
 depends_on:MBEDTLS_SHA256_C:MBEDTLS_RSA_C
 mbedtls_x509_crt_verify_chain:"data_files/dir4/cert61.crt data_files/dir4/cert63.crt data_files/dir4/cert62.crt":"data_files/dir4/cert61.crt":0
 
-X509 CRT verify chain #9 (self signed maxpathlen root)
+X509 CRT verify chain #9 (zero pathlen first intermediate, valid)
 depends_on:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
 mbedtls_x509_crt_verify_chain:"data_files/dir4/cert83.crt data_files/dir4/cert82.crt":"data_files/dir4/cert81.crt":0
 
+X509 CRT verify chain #10 (zero pathlen root, valid)
+depends_on:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
+mbedtls_x509_crt_verify_chain:"data_files/dir4/cert92.crt":"data_files/dir4/cert91.crt":0
+
 X509 OID description #1
 x509_oid_desc:"2B06010505070301":"TLS Web Server Authentication"