diff --git a/configs/at91sam9g10ek_dataflash_cs0_defconfig b/configs/at91sam9g10ek_dataflash_cs0_defconfig
index 70e526a..8b6edd9 100644
--- a/configs/at91sam9g10ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9g10ek_dataflash_cs0_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9261EK=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G10,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y