diff --git a/src/device_library.h b/src/device_library.h
index 4ef33184e..162a53dec 100644
--- a/src/device_library.h
+++ b/src/device_library.h
@@ -70,7 +70,7 @@
 {203, DeviceType::THERMOSTAT, F("EasyControl CT200"), DeviceFlags::EMS_DEVICE_FLAG_EASY | DeviceFlags::EMS_DEVICE_FLAG_NO_WRITE}, // 0x18, cannot write
 
 // Thermostat - Buderus/Nefit/Bosch specific - 0x17 / 0x10 / 0x18 / 0x19 / 0x38
-{ 65, DeviceType::THERMOSTAT, F("RC10"), DeviceFlags::EMS_DEVICE_FLAG_RC10},// 0x17
+{ 65, DeviceType::THERMOSTAT, F("RC10"), DeviceFlags::EMS_DEVICE_FLAG_RC20_N},// 0x17
 { 67, DeviceType::THERMOSTAT, F("RC30"), DeviceFlags::EMS_DEVICE_FLAG_RC30_N},// 0x10 - based on RC35
 { 77, DeviceType::THERMOSTAT, F("RC20/Moduline 300"), DeviceFlags::EMS_DEVICE_FLAG_RC20},// 0x17
 { 78, DeviceType::THERMOSTAT, F("Moduline 400"), DeviceFlags::EMS_DEVICE_FLAG_RC30}, // 0x10