diff --git a/textproc/ruby-gdome/Makefile b/textproc/ruby-gdome/Makefile
index efa2e42ca4c7..76188560ce10 100644
--- a/textproc/ruby-gdome/Makefile
+++ b/textproc/ruby-gdome/Makefile
@@ -26,6 +26,12 @@ USE_RUBY_EXTCONF=	yes
 
 INSTALL_TARGET=	site-install
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+BROKEN=		"Coredump during build on amd64"
+.endif
+
 post-extract:
 	${RM} -rf ${WRKSRC}/examples-ruby/CVS
 
@@ -37,4 +43,4 @@ post-install:
 	${INSTALL_DATA} ${WRKSRC}/README ${RUBY_MODDOCDIR}/
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>