diff --git a/util/build-gnu.sh b/util/build-gnu.sh
index a52d42107..8f6e431a6 100755
--- a/util/build-gnu.sh
+++ b/util/build-gnu.sh
@@ -20,7 +20,7 @@ make PROFILE=release
 BUILDDIR="$PWD/target/release/"
 cp "${BUILDDIR}/install" "${BUILDDIR}/ginstall" # The GNU tests rename this script before running, to avoid confusion with the make target
 # Create *sum binaries
-for sum in b2sum md5sum sha1sum sha224sum sha256sum sha384sum sha512sum
+for sum in b2sum b3sum md5sum sha1sum sha224sum sha256sum sha384sum sha512sum
 do
     sum_path="${BUILDDIR}/${sum}"
     test -f "${sum_path}" || cp "${BUILDDIR}/hashsum" "${sum_path}"