diff --git a/math/exprtk/Makefile b/math/exprtk/Makefile
index fe78aa06deea..47a55f62b32d 100644
--- a/math/exprtk/Makefile
+++ b/math/exprtk/Makefile
@@ -1,25 +1,26 @@
 PORTNAME=	exprtk
 DISTVERSION=	0.0.3
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ Mathematical Expression Toolkit Library
-WWW=		https://www.partow.net/programming/exprtk/index.html
+WWW=		https://www.partow.net/programming/exprtk/index.html \
+		https://github.com/ArashPartow/exprtk
 
 LICENSE=	MIT
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ArashPartow
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 PLIST_FILES=	include/exprtk.hpp
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/exprtk.hpp ${STAGEDIR}${PREFIX}/include
 
 benchmark:
 	cd ${WRKSRC} && ${MAKE_ENV} ${MAKE} ${MAKE_ARGS} pgo
 
 .include <bsd.port.mk>