-chroot "$1" debconf-communicate -fnoninteractive live-initramfs >/dev/null << EOF
-REGISTER debian-installer/dummy $question
-SET $question $value
-FSET $question seen $seen
+chroot "${1}" /usr/bin/debconf-communicate -fnoninteractive live-initramfs >/dev/null << EOF
+REGISTER debian-installer/dummy ${question}
+SET ${question} ${value}
+FSET ${question} seen ${seen}