diff --git a/configs/mx6qarm2_defconfig b/configs/mx6qarm2_defconfig
index 5d115e0..134988e 100644
--- a/configs/mx6qarm2_defconfig
+++ b/configs/mx6qarm2_defconfig
@@ -29,6 +29,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
 CONFIG_FSL_USDHC=y
 CONFIG_MII=y
 CONFIG_MXC_UART=y