diff --git a/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg b/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
index 6b48e97..e835e06 100644
--- a/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
+++ b/doc/examples/osmo-bsc_nat/osmo-bsc_nat.cfg
@@ -62,5 +62,5 @@
  timeout ping 20
  timeout pong 5
  ip-dscp 0
- bscs-config-file bscs.config
+ bscs-config-file bscs.cfg
  access-list bla imsi-allow ^11$