diff --git a/openbsc/src/gprs/osmo_sgsn.cfg b/openbsc/src/gprs/osmo_sgsn.cfg
index 29e7505..c4c9ec1 100644
--- a/openbsc/src/gprs/osmo_sgsn.cfg
+++ b/openbsc/src/gprs/osmo_sgsn.cfg
@@ -6,6 +6,7 @@
  no login
 !
 sgsn
+ gtp local-ip 192.168.100.11
  ggsn 0 remote-ip 192.168.100.239
  ggsn 0 gtp-version 1
 ns