diff --git a/miosix/config/arch/cortexM7_stm32f7/stm32f767zi_skyward_death_stack_v4/board_settings.h b/miosix/config/arch/cortexM7_stm32f7/stm32f767zi_skyward_death_stack_v4/board_settings.h
index 6f2a6f15757c3252fed71479cb506f739220482e..f963b24bebb2a7fc96ee7a9b0037741f662a6344 100644
--- a/miosix/config/arch/cortexM7_stm32f7/stm32f767zi_skyward_death_stack_v4/board_settings.h
+++ b/miosix/config/arch/cortexM7_stm32f7/stm32f767zi_skyward_death_stack_v4/board_settings.h
@@ -65,7 +65,7 @@ const unsigned int defaultSerialSpeed=115200;
 
 // SD card driver
 static const unsigned char sdVoltage=33; //Board powered @ 3.3V
-// #define SD_ONE_BIT_DATABUS
+#define SD_ONE_BIT_DATABUS
 #define SD_SDMMC 1 //Select either SDMMC1 or SDMMC2
 
 /// Analog supply voltage for ADC, DAC, Reset blocks, RCs and PLL