diff --git a/gbproxy/osmo-gbproxy.cfg b/gbproxy/osmo-gbproxy.cfg
index 15f9f04de..efd04993e 100644
--- a/gbproxy/osmo-gbproxy.cfg
+++ b/gbproxy/osmo-gbproxy.cfg
@@ -28,8 +28,10 @@ ns
   listen 127.0.0.1 23000
   accept-ipaccess
  nse 101
+  ip-sns-bind local
   ip-sns-remote 127.0.0.10 7777
  nse 102
+  ip-sns-bind local
   ip-sns-remote 127.0.0.11 8888
  timer tns-block 3
  timer tns-block-retries 3
diff --git a/gbproxy/osmo-gbproxy.fr.cfg b/gbproxy/osmo-gbproxy.fr.cfg
index 959547517..b7eb53852 100644
--- a/gbproxy/osmo-gbproxy.fr.cfg
+++ b/gbproxy/osmo-gbproxy.fr.cfg
@@ -34,8 +34,10 @@ ns
  timer tns-alive 3
  timer tns-alive-retries 10
  nse 101
+  ip-sns-bind local
   ip-sns-remote 127.0.0.10 7777
  nse 102
+  ip-sns-bind local
   ip-sns-remote 127.0.0.11 8888
  nse 2001
   nsvc fr hdlcnet1 dlci 16 nsvci 1