diff --git a/config/generic-bigtreetech-gtr.cfg b/config/generic-bigtreetech-gtr.cfg
index 6046960c..94db471a 100644
--- a/config/generic-bigtreetech-gtr.cfg
+++ b/config/generic-bigtreetech-gtr.cfg
@@ -94,8 +94,15 @@ pin: PE6 # FAN1
 #[heater_fan fan2]
 #pin: PC8 # FAN2
 
+[temperature_sensor mcu_temp]
+sensor_type: temperature_mcu
+
+[temperature_sensor k_therm]
+sensor_type: MAX31855
+sensor_pin: PH9
+spi_bus: spi2b
+
 [mcu]
-baud: 250000
 restart_method: command
 serial: dev/serial0
 # setup for PA9, PA10 USART1_tx / rx directly connected to the RPI GPIO TX / RX pins
diff --git a/test/klippy/printers.test b/test/klippy/printers.test
index d8485fc4..2c065a95 100644
--- a/test/klippy/printers.test
+++ b/test/klippy/printers.test
@@ -143,6 +143,7 @@ CONFIG ../../config/printer-twotrees-sapphire-plus-2020.cfg
 
 # Printers using the stm32f407
 DICTIONARY stm32f407.dict
+CONFIG ../../config/generic-bigtreetech-gtr.cfg
 CONFIG ../../config/generic-bigtreetech-skr-pro.cfg
 CONFIG ../../config/generic-flyboard.cfg