diff --git a/science/arbor/Makefile b/science/arbor/Makefile
index b1752bf038289..78b30254ab720 100644
--- a/science/arbor/Makefile
+++ b/science/arbor/Makefile
@@ -6,11 +6,13 @@ CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multi-compartment neural network simulation library
-WWW=		https://arbor-sim.org/
+WWW=		https://arbor-sim.org/ \
+		https://github.com/arbor-sim/arbor/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN_FreeBSD_15=	compilation fails with clang-19, see https://github.com/arbor-sim/arbor/issues/2424
 BROKEN_armv7=	compilation fails: unknown type name 'float64x2_t'
 
 BUILD_DEPENDS=	bash:shells/bash \