diff --git a/dns/templates/zone.slave.erb b/dns/templates/zone.slave.erb
index 8c3f5bd..3a5ccef 100644
--- a/dns/templates/zone.slave.erb
+++ b/dns/templates/zone.slave.erb
@@ -5,10 +5,14 @@ zone "<%= zone %>" {
 <% else -%>
     file "<%= zonedir %>/db.<%= zone %>";
 <% end -%>
-    masters { 
-    <%     masters.each_pair do |k, v| -%>
+<% if master.is_a?(Hash) -%>
+    masters {
+    <%     master.each_pair do |k, v| -%>
         <%= v['ip'] %>;
     <%     end -%>
     };
+<% else -%>
+    masters { <%= master %>; };
+<% end -%>
     allow-transfer { none; };
 };