diff --git a/devel/grumpy/Makefile b/devel/grumpy/Makefile
index 0cdfd00067b4..f2b67e5e9922 100644
--- a/devel/grumpy/Makefile
+++ b/devel/grumpy/Makefile
@@ -16,6 +16,8 @@ GH_TAGNAME=	348f038
 
 USES=		gmake python
 
+.include <bsd.port.options.mk>
+
 .if ${ARCH} == "amd64"
 PLIST_SUB=	ARCH=amd64
 .endif