-if [[ "$OS_RELEASE" == "18.04" ]] && [[ "$OS" == 'ubuntu' ]]
-then
- echo 'PATH=$HOME/.local/bin:$PATH
-export PATH' >> /etc/profile
+if [[ "$OS_RELEASE" == "18.04" && "$OS" == 'ubuntu' ]]; then
+ # We do not want var expansion here as profile script expands at runtime.
+ # shellcheck disable=SC2016
+ echo 'export PATH=$HOME/.local/bin:$PATH' >> /etc/profile