diff --git a/mgw/osmo-mgw.cfg b/mgw/osmo-mgw.cfg
index 3844e791e..2af7dffc5 100644
--- a/mgw/osmo-mgw.cfg
+++ b/mgw/osmo-mgw.cfg
@@ -60,12 +60,12 @@ mgcp
   osmux off
   osmux bind-ip 127.0.0.1
   osmux bind-ip-v6 ::1
- trunk 1
-  sdp audio-payload send-ptime
-  sdp audio-payload send-name
-  no rtp keep-alive
-  loop 0
-  no rtcp-omit
-  no rtp-patch
-  allow-transcoding
-  line 0
+  trunk 1
+   sdp audio-payload send-ptime
+   sdp audio-payload send-name
+   no rtp keep-alive
+   loop 0
+   no rtcp-omit
+   no rtp-patch
+   allow-transcoding
+   line 0