diff --git a/src/device_library.h b/src/device_library.h
index eca924972..6481f2af9 100644
--- a/src/device_library.h
+++ b/src/device_library.h
@@ -87,7 +87,7 @@
 {107, DeviceType::THERMOSTAT, F("FR100"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_2}, // older model
 {108, DeviceType::THERMOSTAT, F("FR110"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_2}, // older model
 {111, DeviceType::THERMOSTAT, F("FR10"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},  
-{147, DeviceType::THERMOSTAT, F("FR50"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},
+{147, DeviceType::THERMOSTAT, F("FR50"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_2},
 {191, DeviceType::THERMOSTAT, F("FR120"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_2}, // older model
 {192, DeviceType::THERMOSTAT, F("FW120"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},