diff --git a/board/scarlet/board.h b/board/scarlet/board.h
index e3efa14e70..1fa29d97b9 100644
--- a/board/scarlet/board.h
+++ b/board/scarlet/board.h
@@ -91,6 +91,9 @@
 #define CONFIG_TEMP_SENSOR
 #define CONFIG_TEMP_SENSOR_TMP432
 
+/* To be able to indicate the device is in tablet mode. */
+#define CONFIG_TABLET_MODE_SWITCH
+
 /* FIFO size is in power of 2. */
 #define CONFIG_ACCEL_FIFO 256
 #define CONFIG_ACCEL_FIFO_THRES (CONFIG_ACCEL_FIFO / 3)