diff --git a/openair2/COMMON/sctp_messages_types.h b/openair2/COMMON/sctp_messages_types.h
index 3fb980e460..1c2dc9199c 100644
--- a/openair2/COMMON/sctp_messages_types.h
+++ b/openair2/COMMON/sctp_messages_types.h
@@ -4,7 +4,8 @@
 enum sctp_state_e {
     SCTP_STATE_CLOSED,
     SCTP_STATE_SHUTDOWN_PENDING,
-    SCTP_STATE_ESTABLISHED
+    SCTP_STATE_ESTABLISHED,
+    SCTP_STATE_UNREACHABLE
 };
 
 typedef struct {