diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index bb13ca7..02db7cc 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -48,8 +48,8 @@
 	return devno;
 }
 
-#ifdef CONFIG_SYS_MMC_ENV_DEV
-#define IMX9_MMC_ENV_DEV CONFIG_SYS_MMC_ENV_DEV
+#ifdef CONFIG_ENV_MMC_DEVICE_INDEX
+#define IMX9_MMC_ENV_DEV CONFIG_ENV_MMC_DEVICE_INDEX
 #else
 #define IMX9_MMC_ENV_DEV 0
 #endif