diff --git a/configs/socfpga_dbm_soc1_defconfig b/configs/socfpga_dbm_soc1_defconfig
index 7786843..b3ba9ff 100644
--- a/configs/socfpga_dbm_soc1_defconfig
+++ b/configs/socfpga_dbm_soc1_defconfig
@@ -63,6 +63,7 @@
 CONFIG_DWAPB_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_DW=y
+CONFIG_SYS_MMC_MAX_BLK_COUNT=256
 CONFIG_MMC_DW=y
 CONFIG_MTD=y
 CONFIG_SPI_FLASH_MTD=y