diff --git a/openbsc/doc/examples/osmo-nitb/hsl/openbsc.cfg b/openbsc/doc/examples/osmo-nitb/hsl/openbsc.cfg
index 831f6bb..3d95748 100644
--- a/openbsc/doc/examples/osmo-nitb/hsl/openbsc.cfg
+++ b/openbsc/doc/examples/osmo-nitb/hsl/openbsc.cfg
@@ -6,6 +6,8 @@
 line vty
  no login
 !
+e1_input
+ e1_line 0 driver hsl
 network
  network country code 262
  mobile network code 42
@@ -54,6 +56,7 @@
   rach max transmission 1
   hsl serial-number 8303701
   neighbor-list mode automatic
+  oml hsl line 0
   gprs mode none
   trx 0
    rf_locked 0