diff --git a/share/mk/local.sys.env.mk b/share/mk/local.sys.env.mk
index 79a8a775f5c..4a46a2c5f56 100644
--- a/share/mk/local.sys.env.mk
+++ b/share/mk/local.sys.env.mk
@@ -63,7 +63,7 @@ ECHO_TRACE?=	true
 .include "src.sys.env.mk"
 .-include <site.sys.env.mk>
 
-.if !defined(HOST_TARGET) || !defined(HOST_MACHINE)
+.if !defined(HOST_TARGET) || !defined(HOST_MACHINE) || !defined(_HOST_OSREL)
 # we need HOST_TARGET etc below.
 .include <host-target.mk>
 .export HOST_TARGET