diff --git a/board/samus/board.h b/board/samus/board.h
index d7fba7588f..ba1e0c896d 100644
--- a/board/samus/board.h
+++ b/board/samus/board.h
@@ -57,6 +57,7 @@
 #define CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON 1
 #define CONFIG_FANS 2
 #define CONFIG_FAN_UPDATE_PERIOD 10
+#define CONFIG_FPU
 #define CONFIG_GESTURE_DETECTION
 #define CONFIG_GESTURE_SW_DETECTION
 #define CONFIG_GESTURE_SAMPLING_INTERVAL_MS 5