diff --git a/configs/etamin_defconfig b/configs/etamin_defconfig
index 3256fd3..10534d3 100644
--- a/configs/etamin_defconfig
+++ b/configs/etamin_defconfig
@@ -77,6 +77,7 @@
 CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 # CONFIG_SPL_DM_MMC is not set
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
 CONFIG_MMC_OMAP_HS=y
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y