diff --git a/lib/refrepo/gen/puppet/templates/kadeployg5k.conf.erb b/lib/refrepo/gen/puppet/templates/kadeployg5k.conf.erb
index 062302490dba81b61116501c419a257c94639641..c4c44f9b57e56b3f90ba1a86d36abe875c0dd7d1 100644
--- a/lib/refrepo/gen/puppet/templates/kadeployg5k.conf.erb
+++ b/lib/refrepo/gen/puppet/templates/kadeployg5k.conf.erb
@@ -128,3 +128,7 @@ automata:
     - timeout: <%= data['boot.timeout.1'] %>
       type: HardReboot
       retries: 0
+<%- if data['force_tftp'] -%>
+custom_variables:
+  FORCE_TFTP="1"
+<%- end -%>