diff --git a/base/sudo/sudo.conf b/base/sudo/sudo.conf
index 932f5d221..8475827e8 100644
--- a/base/sudo/sudo.conf
+++ b/base/sudo/sudo.conf
@@ -19,3 +19,9 @@ extraconfopt="--enable-log-host --with-tty-tickets"
 if ! pkginstalled pam; then
 	var_append extraconfopt ' ' '--without-pam'
 fi
+
+# LDAP support
+if pkginstalled openldap ; then
+	pkgprefix -t openldap
+	var_append extraconfopt ' ' "--with-ldap=$root/$( pkgprefix openldap )"
+fi