diff --git a/client/fetch_and_update.sh b/client/fetch_and_update.sh
index c53b6ed..0011327 100755
--- a/client/fetch_and_update.sh
+++ b/client/fetch_and_update.sh
@@ -9,7 +9,7 @@ mkdir -p "${IMAGES}"
 
 BOOT=/isodevice
 
-FLAGS=$(<${BASE}/flags)
+FLAGS=$(cat ${BASE}/flags)
 
-${BASE}/fetcher.py --image-dir="${IMAGES}" --ca-cert=../config/ca.cert.pem ${FLAGS}
+${BASE}/fetcher.py --image-dir="${IMAGES}" --ca-cert=${BASE}/../config/ca.cert.pem ${FLAGS}
 ${BASE}/update_grub.py --image-dir="${IMAGES}" --boot-dir="${BOOT}" > ${BOOT}/grub/grub.cfg.tmp && mv ${BOOT}/grub/grub.cfg.tmp ${BOOT}/grub/grub.cfg