diff --git a/templates/sshd_config.erb b/templates/sshd_config.erb
index 74f479699..2c79d9eef 100644
--- a/templates/sshd_config.erb
+++ b/templates/sshd_config.erb
@@ -38,7 +38,7 @@ ListenAddress <%= listen %>
 <%- v.each do |a| -%>
 <%= k %> <%= a %>
 <%- end -%>
-<%- else -%>
+<%- elsif v != :undef -%>
 <%= k %> <%= v %>
 <%- end -%>
 <%- end -%>