diff --git a/groups/010.host_deps.group b/groups/010.host_deps.group
index 3c58d91..047f21c 100644
--- a/groups/010.host_deps.group
+++ b/groups/010.host_deps.group
@@ -22,9 +22,9 @@ HOST_DEPS_PREFIX="${PREFIX}";
 : ${PKG_BINUTILS_BUILD_SHA256SUM:=250d3b2925c6b211fb16173b0b25bc091c58829fbcad3eb849645e0af52cf7fa};
 : ${PKG_BINUTILS_BUILD_VERSION:=2.24.51};
 : ${PKG_BINUTILS_BUILD_URL:=ftp://sourceware.org/pub/binutils/snapshots/binutils-${PKG_BINUTILS_BUILD_VERSION}.tar.bz2};
-: ${PKG_BINUTILS_BUILD_CONFIGURE_ARGS:="--disable-werror --enable-deterministic-archives --enable-install-libbfd --prefix=${PREFIX}"};
+: ${PKG_BINUTILS_BUILD_CONFIGURE_ARGS:="--disable-werror --enable-deterministic-archives --enable-install-libbfd --prefix=${PREFIX}/opt"};
 : ${PKG_BINUTILS_BUILD_LIBTOOL:=slibtool-static};
-: ${PKG_BINUTILS_BUILD_PREFIX:=${PREFIX}};
+: ${PKG_BINUTILS_BUILD_PREFIX:="${PREFIX}/opt"};
 : ${PKG_BISON_HOST_SHA256SUM:=55e4a023b1b4ad19095a5f8279f0dc048fa29f970759cea83224a6d5e7a3a641};
 : ${PKG_BISON_HOST_VERSION:=3.5};
 : ${PKG_BISON_HOST_URL:=https://ftp.gnu.org/gnu/bison/bison-${PKG_BISON_HOST_VERSION}.tar.xz};