diff --git a/src/test/ldap/README b/src/test/ldap/README
index 4d641f92840..826b15373f2 100644
--- a/src/test/ldap/README
+++ b/src/test/ldap/README
@@ -49,4 +49,4 @@ and net/openldap24-server.)
 macOS: We do not recommend trying to use the Apple-provided version of
 OpenLDAP; it's very old, plus Apple seem to have changed the launching
 conventions for slapd.  The paths in the test file are set on the
-assumption that you installed OpenLDAP using Homebrew.
+assumption that you installed OpenLDAP using Homebrew or MacPorts.
diff --git a/src/test/ldap/t/001_auth.pl b/src/test/ldap/t/001_auth.pl
index 431ad6442c3..de628996142 100644
--- a/src/test/ldap/t/001_auth.pl
+++ b/src/test/ldap/t/001_auth.pl
@@ -17,11 +17,16 @@ my ($slapd, $ldap_bin_dir, $ldap_schema_dir);
 
 $ldap_bin_dir = undef;    # usually in PATH
 
-if ($^O eq 'darwin')
+if ($^O eq 'darwin' && -d '/usr/local/opt/openldap')
 {
 	$slapd           = '/usr/local/opt/openldap/libexec/slapd';
 	$ldap_schema_dir = '/usr/local/etc/openldap/schema';
 }
+elsif ($^O eq 'darwin' && -d '/opt/local/etc/openldap')
+{
+	$slapd           = '/opt/local/libexec/slapd';
+	$ldap_schema_dir = '/opt/local/etc/openldap/schema';
+}
 elsif ($^O eq 'linux')
 {
 	$slapd           = '/usr/sbin/slapd';