diff --git a/das-dn/hostadsbf/hostadsbf.cpp b/das-dn/hostadsbf/hostadsbf.cpp
index 5557ff29..9a512559 100644
--- a/das-dn/hostadsbf/hostadsbf.cpp
+++ b/das-dn/hostadsbf/hostadsbf.cpp
@@ -984,6 +984,7 @@ BOOLEAN CHostADSBFProcess::OnTimer(void)
                 const auto state = m_turbine->GetState();
                 if ((uint16_t)state.ads >= ADSSTATE::ADSSTATE_MAXSTATES || (uint16_t)state.device >= ADSSTATE::ADSSTATE_MAXSTATES)
                 {
+                    m_bRouteAdded = FALSE;
                     vLog(LOG_DEBUG, "%s read device state error.\n", m_pidName.c_str());
                     delete m_turbine;
                     m_turbine = NULL;