diff --git a/net-im/iamb/Makefile b/net-im/iamb/Makefile
index fd4153404d32..5cdc38eee40e 100644
--- a/net-im/iamb/Makefile
+++ b/net-im/iamb/Makefile
@@ -1,27 +1,34 @@
 PORTNAME=	iamb
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.0.10
 PORTREVISION=	5
 CATEGORIES=	net-im
 
 MAINTAINER=	ashish@FreeBSD.org
 COMMENT=	Matrix client for Vim addicts
 WWW=		https://iamb.chat/
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	fails to build
 USES=		cargo ssl
 USE_GITHUB=	yes
 GH_ACCOUNT=	ulyssa
 
 PLIST_FILES=	bin/iamb \
 		share/man/man1/iamb.1.gz \
 		share/man/man5/iamb.5.gz
 
 post-install:
 	${INSTALL_DATA} ${WRKSRC}/docs/iamb.1 ${STAGEDIR}${PREFIX}/share/man/man1
 	${INSTALL_DATA} ${WRKSRC}/docs/iamb.5 ${STAGEDIR}${PREFIX}/share/man/man5
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${ARCH:Marmv?}
+LTO_UNSAFE=	yes
+CARGO_ENV+=	CARGO_PROFILE_RELEASE_LTO=false
+.endif
+
+.include <bsd.port.post.mk>