diff --git a/gammu/templates/gammu-smsdrc.erb b/gammu/templates/gammu-smsdrc.erb
index f80c78e..3258239 100644
--- a/gammu/templates/gammu-smsdrc.erb
+++ b/gammu/templates/gammu-smsdrc.erb
@@ -6,9 +6,11 @@ Port = <%= @port %>
 Service = FILES
 <% if @pin -%>
 PIN = <%= @pin %>
+CheckSecurity = 1
+<% else -%>
+CheckSecurity = 0
 <% end -%>
 CheckBattery = 0
-CheckSecurity = 0
 CheckSignal = 0
 CommTimeout = 10
 LogFile = syslog