diff --git a/build_library/toolchain_util.sh b/build_library/toolchain_util.sh
index 53f829a4b4..26cf2a6bd5 100644
--- a/build_library/toolchain_util.sh
+++ b/build_library/toolchain_util.sh
@@ -190,8 +190,8 @@ get_cross_pkgs() {
 # Get portage arguments restricting toolchains to binary packages only.
 get_binonly_args() {
     local pkgs=( "${TOOLCHAIN_PKGS[@]}" $(get_cross_pkgs "$@") )
-    # XXX: Drop this exception after stable > 1729.
-    local tmppkgs=( ${pkgs[*]##*/glibc} )
+    # XXX: Drop this exception after stable > 1925.
+    local tmppkgs=( ${pkgs[*]##*/glibc} ) ; tmppkgs=( ${tmppkgs[*]##*/binutils} )
     echo "${tmppkgs[@]/#/--useoldpkg-atoms=}" "${pkgs[@]/#/--rebuild-exclude=}"
 }