diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index e82c1d6..56a1fd7 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -1966,7 +1966,7 @@
   smm->evt_qs_segment_size = 1 << 20;
 #endif
 
-  smm->last_transport_proto_type = TRANSPORT_PROTO_DTLS;
+  smm->last_transport_proto_type = TRANSPORT_PROTO_SRTP;
 
   return 0;
 }
diff --git a/src/vnet/session/transport_types.h b/src/vnet/session/transport_types.h
index 75fd1b8..9fabac5 100644
--- a/src/vnet/session/transport_types.h
+++ b/src/vnet/session/transport_types.h
@@ -163,7 +163,8 @@
   _ (NONE, "ct", "C")                                                         \
   _ (TLS, "tls", "J")                                                         \
   _ (QUIC, "quic", "Q")                                                       \
-  _ (DTLS, "dtls", "D")
+  _ (DTLS, "dtls", "D")                                                       \
+  _ (SRTP, "srtp", "R")
 
 typedef enum _transport_proto
 {