diff --git a/src/libosmo-mgcp-client/mgcp_client_fsm.c b/src/libosmo-mgcp-client/mgcp_client_fsm.c
index 7565d32..800ae1b 100644
--- a/src/libosmo-mgcp-client/mgcp_client_fsm.c
+++ b/src/libosmo-mgcp-client/mgcp_client_fsm.c
@@ -708,6 +708,9 @@
 
 	OSMO_ASSERT(mgcp_ctx);
 
+	if (fi->proc.terminating)
+		return;
+
 	/* Unlink FSM from parent */
 	osmo_fsm_inst_unlink_parent(fi, NULL);