diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index e78afde972a72100cf23ad597e890ac386263ec3..0161dbee394e8bdf350b74d4624ca7142f0ec4ed 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -347,6 +347,7 @@
 #define CONFIG_ENV_OFFSET		0x0
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_SYS_MMC_MAX_DEVICE	2
 #elif defined(CONFIG_NOR_BOOT)
 #define CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */