diff --git a/science/openfoam/Makefile b/science/openfoam/Makefile
index d3f83fe89a49..f2b03ede3802 100644
--- a/science/openfoam/Makefile
+++ b/science/openfoam/Makefile
@@ -36,6 +36,8 @@ RUN_DEPENDS=	micod:${PORTSDIR}/devel/mico						\
 		${LOCALBASE}/share/java/java3d/jar/j3dutils.jar:${PORTSDIR}/java/java3d	\
 		paraview:${PORTSDIR}/science/paraview
 
+BROKEN=	checksum mismatch after a silent update - under investigation
+
 .if !defined(NOPORTDOCS)
 BUILD_DEPENDS+=	doxygen:${PORTSDIR}/devel/doxygen	\
 		dot:${PORTSDIR}/graphics/graphviz