diff --git a/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl
index eb6ac1d..ab41de9 100644
--- a/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl
@@ -13,4 +13,4 @@
 cs7 instance 0
  xua rkm routing-key-allocation dynamic-permitted
  listen m3ua 2905
-  accept-asp-connections dynamic-permitted
+ accept-asp-connections dynamic-permitted