diff --git a/lib/yashchiki/build_image.sh b/lib/yashchiki/build_image.sh
index 7fae0330ccc811f9ebe54edc653ed91369392e0d..6b7578c4c92d7dc9c60825d6309af860a00ffd1d 100755
--- a/lib/yashchiki/build_image.sh
+++ b/lib/yashchiki/build_image.sh
@@ -3,6 +3,11 @@
 set -euo pipefail
 shopt -s inherit_errexit 2>/dev/null || true
 
+if [ -z "${YASHCHIKI_ENABLE_STAGE_IMAGE:-}" ]; then
+    echo "Skipping stage build-base-sandbox."
+    exit 0
+fi
+
 TARGET_FOLDER="${YASHCHIKI_SANDBOXES}/${CONTAINER_STYLE}"
 
 if test -f "${YASHCHIKI_IMAGE_NAME}"; then