diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.accept_keywords b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.accept_keywords
index da88226358..1036981959 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.accept_keywords
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.accept_keywords
@@ -137,3 +137,6 @@ sys-apps/azure-vm-utils
 # Our own ebuild fixing issues in Gentoo, hopefully will be fixed
 # there too eventually.
 =sys-libs/libselinux-3.8.1-r3 ~amd64 ~arm64
+
+# Needed to build this amd64-specific package on other arches.
+=sys-apps/iucode_tool-2.3.1-r2 ~amd64 ~arm64