diff --git a/multimedia/jpeginfo/Portfile b/multimedia/jpeginfo/Portfile
index 0b105a76de1..c411871131e 100644
--- a/multimedia/jpeginfo/Portfile
+++ b/multimedia/jpeginfo/Portfile
@@ -1,6 +1,10 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem          1.0
+PortGroup           legacysupport 1.1
+
+# strnlen
+legacysupport.newest_darwin_requires_legacy 10
 
 name                jpeginfo
 version             1.7.1