diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 2a3e1c85a4..16d9698395 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -240,19 +240,19 @@ x509parse_keyfile_ec:"data_files/ec_prv.pk8.pw.pem":"polar":0
 
 X509 Parse EC Key #8 (SEC1 PEM, secp224r1)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_ECP_C:POLARSSL_ECP_DP_SECP224R1_ENABLED
-x509parse_keyfile_ec:"data_files/ec_224_prv.pem":NULL:0
+x509parse_keyfile_ec:"data_files/ec_224_prv.pem":"NULL":0
 
 X509 Parse EC Key #9 (SEC1 PEM, secp256r1)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_ECP_C:POLARSSL_ECP_DP_SECP256R1_ENABLED
-x509parse_keyfile_ec:"data_files/ec_256_prv.pem":NULL:0
+x509parse_keyfile_ec:"data_files/ec_256_prv.pem":"NULL":0
 
 X509 Parse EC Key #10 (SEC1 PEM, secp384r1)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_ECP_C:POLARSSL_ECP_DP_SECP384R1_ENABLED
-x509parse_keyfile_ec:"data_files/ec_384_prv.pem":NULL:0
+x509parse_keyfile_ec:"data_files/ec_384_prv.pem":"NULL":0
 
 X509 Parse EC Key #11 (SEC1 PEM, secp521r1)
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO:POLARSSL_ECP_C:POLARSSL_ECP_DP_SECP521R1_ENABLED
-x509parse_keyfile_ec:"data_files/ec_521_prv.pem":NULL:0
+x509parse_keyfile_ec:"data_files/ec_521_prv.pem":"NULL":0
 
 X509 Get Distinguished Name #1
 depends_on:POLARSSL_PEM_C:POLARSSL_FS_IO