diff --git a/modules/rhizomatica_base_system/templates/vars.sh.erb b/modules/rhizomatica_base_system/templates/vars.sh.erb
index 35bea53..198936a 100644
--- a/modules/rhizomatica_base_system/templates/vars.sh.erb
+++ b/modules/rhizomatica_base_system/templates/vars.sh.erb
@@ -18,4 +18,4 @@ BTS2=<%= @bts2_ip_address %>
 BTS3=<%= @bts3_ip_address %>
 <% end -%>
 
-RECIPIENTS=<%= @mail_admins %>
+RECIPIENTS="<%= @mail_admins -%>"