diff --git a/src/rspro_client_fsm.h b/src/rspro_client_fsm.h
index b1c14f8..ca59c77 100644
--- a/src/rspro_client_fsm.h
+++ b/src/rspro_client_fsm.h
@@ -9,6 +9,7 @@
 	SRVC_E_TCP_UP,
 	SRVC_E_TCP_DOWN,
 	SRVC_E_KA_TIMEOUT,
+	SRVC_E_KA_TERMINATED,
 	SRVC_E_CLIENT_CONN_RES,
 	SRVC_E_RSPRO_TX		/* transmit a RSPRO PDU to the peer */
 };