diff --git a/script/build_package.sh b/script/build_package.sh
index c79d29b..4e61723 100755
--- a/script/build_package.sh
+++ b/script/build_package.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Copyright (c) 2019-2023 Arm Limited. All rights reserved.
+# Copyright (c) 2019-2024 Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -534,6 +534,10 @@
 	   not_upon "${TF_M_EXTRAS_PATH}"; then
 		emit_env "TF_M_EXTRAS_PATH" "$WORKSPACE/tf-m-extras"
 	fi
+	if [ "$(get_tf_opt DICE_PROTECTION_ENVIRONMENT)" = 1 ] &&
+	   not_upon "${QCBOR_DIR}"; then
+		emit_env "QCBOR_DIR" "$WORKSPACE/qcbor"
+	fi
 	if [ -f "$env_file" ]; then
 		set -a
 		source "$env_file"