diff --git a/stage0/00-configure-apt/00-run.sh b/stage0/00-configure-apt/00-run.sh
index 4d0ac92..6494a03 100755
--- a/stage0/00-configure-apt/00-run.sh
+++ b/stage0/00-configure-apt/00-run.sh
@@ -12,7 +12,8 @@ else
 	rm -f "${ROOTFS_DIR}/etc/apt/apt.conf.d/51cache"
 fi
 
-cat files/raspberrypi.gpg.key | gpg --dearmor > "${ROOTFS_DIR}/etc/apt/trusted.gpg.d/raspberrypi-archive-stable.gpg"
+cat files/raspberrypi.gpg.key | gpg --dearmor > "${STAGE_WORK_DIR}/raspberrypi-archive-stable.gpg"
+install -m 644 "${STAGE_WORK_DIR}/raspberrypi-archive-stable.gpg" "${ROOTFS_DIR}/etc/apt/trusted.gpg.d/"
 on_chroot << EOF
 apt-get update
 apt-get dist-upgrade -y