diff --git a/conf/autopilot/tiny_0_99.h b/conf/autopilot/tiny_0_99.h
index 0da5738088..af72e1c11c 100644
--- a/conf/autopilot/tiny_0_99.h
+++ b/conf/autopilot/tiny_0_99.h
@@ -122,4 +122,7 @@
 #define VoltageOfAdc(adc) (0.01787109375*adc)
 #endif
 
+#define SPI_SELECT_SLAVE0_PORT 0
+#define SPI_SELECT_SLAVE0_PIN 20
+
 #endif /* CONFIG_TINY_H */