diff --git a/board/ryu/board.h b/board/ryu/board.h
index ceaba64606..cb2192aa28 100644
--- a/board/ryu/board.h
+++ b/board/ryu/board.h
@@ -27,6 +27,7 @@
 #define CONFIG_CHARGE_RAMP_HW
 #define CONFIG_CHARGER_TERM_CURRENT_LIMIT (64*3)
 #define CONFIG_FORCE_CONSOLE_RESUME
+#define CONFIG_FPU
 #define CONFIG_STM_HWTIMER32
 #define CONFIG_USB_CHARGER
 #define CONFIG_USB_POWER_DELIVERY