diff --git a/modules/rhizomatica_base_system/templates/vars.sh.erb b/modules/rhizomatica_base_system/templates/vars.sh.erb
index 39dce7c..2f37bb8 100644
--- a/modules/rhizomatica_base_system/templates/vars.sh.erb
+++ b/modules/rhizomatica_base_system/templates/vars.sh.erb
@@ -8,8 +8,14 @@ function logc() {
 
 #BTSs IP addresses
 
-<% if @bts1_ip_address %>BTS1=<%= @bts1_ip_address %><% end %>
-<% if @bts2_ip_address %>BTS2=<%= @bts2_ip_address %><% end %>
-<% if @bts3_ip_address %>BTS3=<%= @bts3_ip_address %><% end %>
+<% if @bts1_ip_address -%>
+BTS1=<%= @bts1_ip_address %>
+<% end -%>
+<% if @bts2_ip_address -%>
+BTS2=<%= @bts2_ip_address %>
+<% end -%>
+<% if @bts3_ip_address %>
+BTS3=<%= @bts3_ip_address %>
+<% end -%>
 
 RECIPIENTS=<%= @mail_admins %>