-Acquire::http::Proxy "http://<%= @proxy_host %>:<%= @proxy_port %>";
+Acquire::http::proxy "http://<%= @_proxy['host'] %>:<%= @_proxy['port'] %>/";
+<%- if @_proxy['https'] %>
+Acquire::https::proxy "https://<%= @_proxy['host'] %>:<%= @_proxy['port'] %>/";
+<%- end -%>