diff --git a/board/poppy/board.h b/board/poppy/board.h
index ca4fa2c2b0..ed5b94617a 100644
--- a/board/poppy/board.h
+++ b/board/poppy/board.h
@@ -264,6 +264,9 @@ void board_set_tcpc_power_mode(int port, int mode);
 
 void base_detect_interrupt(enum gpio_signal signal);
 
+/* Sensors without hardware FIFO are in forced mode */
+#define CONFIG_ACCEL_FORCE_MODE_MASK ((1 << LID_ACCEL) | (1 << LID_ALS))
+
 #endif /* !__ASSEMBLER__ */
 
 #endif /* __CROS_EC_BOARD_H */