diff --git a/modules/rhizo_base/templates/osmo-nitb.cfg.erb b/modules/rhizo_base/templates/osmo-nitb.cfg.erb
index dce1afb..95fd85e 100644
--- a/modules/rhizo_base/templates/osmo-nitb.cfg.erb
+++ b/modules/rhizo_base/templates/osmo-nitb.cfg.erb
@@ -425,4 +425,4 @@ smpp
   default-route
  esme NOTIFY
   password Password
-  deliver-src-imsi
+  no deliver-src-imsi