diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi
index b7244c1..f2d7361 100644
--- a/arch/arm/dts/sunxi-u-boot.dtsi
+++ b/arch/arm/dts/sunxi-u-boot.dtsi
@@ -13,7 +13,7 @@
 / {
 	aliases {
 		mmc0 = &mmc0;
-#if CONFIG_MMC_SUNXI_EXTRA_SLOT == 2
+#if CONFIG_MMC_SUNXI_SLOT_EXTRA == 2
 		mmc1 = &mmc2;
 #endif
 	};