diff --git a/bsc/osmo-stp.cfg b/bsc/osmo-stp.cfg
index 21952dc..d936d4f 100644
--- a/bsc/osmo-stp.cfg
+++ b/bsc/osmo-stp.cfg
@@ -26,6 +26,8 @@
  asp virt-msc0-0 23905 2905 m3ua
   local-ip 127.0.0.1
   remote-ip 127.0.0.1
+  role sg
+  sctp-role server
  as mahlzeit ipa
   routing-key 0 0.23.4
   point-code override dpc 0.23.1
@@ -36,6 +38,8 @@
  asp virt-msc1-0 23906 2905 m3ua
   local-ip 127.0.0.1
   remote-ip 127.0.0.1
+  role sg
+  sctp-role server
  as virt-msc1 m3ua
   asp virt-msc1-0
   routing-key 2 0.0.2
@@ -43,6 +47,8 @@
  asp virt-msc2-0 23907 2905 m3ua
   local-ip 127.0.0.1
   remote-ip 127.0.0.1
+  role sg
+  sctp-role server
  as virt-msc2 m3ua
   asp virt-msc2-0
   routing-key 3 0.0.3