diff --git a/configs/nanopi_neo_air_defconfig b/configs/nanopi_neo_air_defconfig
index 11eb3ab13b..9f83068dd7 100644
--- a/configs/nanopi_neo_air_defconfig
+++ b/configs/nanopi_neo_air_defconfig
@@ -16,3 +16,4 @@ CONFIG_SPL=y
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
+CONFIG_MMC_SUNXI_SLOT_EXTRA=2
