diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
index 4bf70bd..2f2297a 100644
--- a/project/config/cfgdefs.sh
+++ b/project/config/cfgdefs.sh
@@ -425,6 +425,9 @@ cfgdefs_perform_target_tests()
 		cfgtest_cflags_append '-DOPENSSL_VERSION_1_1'
 	fi
 
+	mb_cfgtest_headers='openssl/x509_vfy.h'
+	cfgtest_interface_presence 'X509_VERIFY_PARAM_set1_host'
+
 	# tcl/tk libc
 	cfgtest_newline
 	cfgtest_comment 'tcl/tk'