diff --git a/Mk/Features/lto.mk b/Mk/Features/lto.mk
index 75935b52ca89..0a5056e8c12f 100644
--- a/Mk/Features/lto.mk
+++ b/Mk/Features/lto.mk
@@ -1,25 +1,27 @@
 # LTO Support
 #
 # This file enforces Link Time Optimization for ports.
 # In order to use it, add WITH_LTO=yes to your /etc/make.conf.
 
 .if !defined(_LTO_MK_INCLUDED)
 _LTO_MK_INCLUDED=	yes
 LTO_Include_MAINTAINER=	pkubaj@FreeBSD.org
 
-.  if !defined(LTO_UNSAFE)
-.    if defined(_INCLUDE_USES_CARGO_MK)
+.  if !defined(LTO_UNSAFE) || defined(LTO_DISABLE_CHECK)
+.    if "${ARCH}" == "powerpc64" || "${ARCH}" == "riscv64" && !defined(LTO_DISABLE_CHECK)
+       IGNORE=	LTO is currently broken on ${ARCH}, to override set LTO_DISABLE_CHECK=yes
+.    elif defined(_INCLUDE_USES_CARGO_MK)
    CARGO_ENV+=	CARGO_PROFILE_RELEASE_LTO="true" \
 		CARGO_PROFILE_RELEASE_PANIC="abort" \
 		CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1
 .    elif defined(_INCLUDE_USES_MESON_MK)
    MESON_ARGS+=	-Db_lto=true
 .    else
 # Overridable as a user may want to use -flto
    LTO_FLAGS?=	-flto=thin
    CFLAGS+=	${LTO_FLAGS}
    CXXFLAGS+=	${LTO_FLAGS}
    LDFLAGS+=	${LTO_FLAGS}
 .    endif
 .  endif
 .endif