diff --git a/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
index 0e2f759..57ab8a3 100644
--- a/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
@@ -29,6 +29,7 @@
  auth policy ${bsc.net.auth_policy}
  location updating reject cause 13
  encryption ${bsc.net.encryption}
+ authentication ${bsc.net.authentication}
  neci 1
  rrlp mode none
  mm info 1
diff --git a/src/osmo_gsm_tester/templates/osmo-msc.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-msc.cfg.tmpl
index 1abaf20..6851ea9 100644
--- a/src/osmo_gsm_tester/templates/osmo-msc.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-msc.cfg.tmpl
@@ -16,6 +16,7 @@
  auth policy ${msc.net.auth_policy}
  location updating reject cause 13
  encryption ${msc.net.encryption}
+ authentication ${msc.net.authentication}
 cs7 instance 0
  point-code 0.0.1
 msc