diff --git a/arch/arm/src/calypso/calypso_power.c b/arch/arm/src/calypso/calypso_power.c
index 6f9cfc8ebf7..35a3472aeef 100644
--- a/arch/arm/src/calypso/calypso_power.c
+++ b/arch/arm/src/calypso/calypso_power.c
@@ -35,6 +35,7 @@ int board_power_off(int status)
   struct spi_dev_s *spi = up_spiinitialize(0);
 
   SPI_SETBITS(spi, 16);
+  (void)SPI_HWFEATURES(spi, 0);
 
   tx = (1 << 6) | (1 << 1);
   SPI_SNDBLOCK(spi, &tx, 1);