diff --git a/install.sh b/install.sh
index e8b603f..06e92e3 100755
--- a/install.sh
+++ b/install.sh
@@ -272,11 +272,9 @@ echo "${target_hostname}" | tee ${target}/etc/hostname >&2
 echo "done."
 
 echo -n "Setting /etc/issue generator... "
-cat <<EOF >${target}/etc/if-up.d/issue-gen
-#!/bin/sh
-IP="\$( ip addr show dev ${target_interface} | grep 'inet' | awk '{ print \$2 }' )"
-echo -e "Debian GNU/Linux 10 \\n \\l\n\nPrimary interface IP address: \$IP\n" > /etc/issue
-EOF
+echo -e "#!/bin/sh
+IP="\$( ip addr show dev ${target_interface} | grep inet | awk \'{ print \$2 }\' )"
+echo -e \"Debian GNU/Linux 10 \\n \\l\n\nPrimary interface IP address: \$IP\n\" > /etc/issue" | tee ${target}/etc/if-up.d/issue-gen >&2
 chmod +x ${target}/etc/if-up.d/issue-gen 1>&2
 echo "done."