diff --git a/nuttx/configs/px4io/io/defconfig b/nuttx/configs/px4io/io/defconfig
index 30ec5be089..791a7cfeed 100755
--- a/nuttx/configs/px4io/io/defconfig
+++ b/nuttx/configs/px4io/io/defconfig
@@ -86,7 +86,7 @@ CONFIG_ARCH_BOOTLOADER=n
 CONFIG_ARCH_LEDS=n
 CONFIG_ARCH_BUTTONS=n
 CONFIG_ARCH_CALIBRATION=n
-CONFIG_ARCH_DMA=n
+CONFIG_ARCH_DMA=y
 CONFIG_ARCH_MATH_H=y
 
 CONFIG_ARMV7M_CMNVECTOR=y
@@ -112,7 +112,7 @@ CONFIG_STM32_JTAG_SW_ENABLE=n
 # Individual subsystems can be enabled:
 #
 # AHB: 
-CONFIG_STM32_DMA1=n
+CONFIG_STM32_DMA1=y
 CONFIG_STM32_DMA2=n
 CONFIG_STM32_CRC=n
 # APB1: