diff --git a/configs/Linksprite_pcDuino3_defconfig b/configs/Linksprite_pcDuino3_defconfig
index de88dd0..4545bdc 100644
--- a/configs/Linksprite_pcDuino3_defconfig
+++ b/configs/Linksprite_pcDuino3_defconfig
@@ -9,6 +9,7 @@
 CONFIG_AHCI=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_I2C=y
+CONFIG_SYS_PBSIZE=1024
 CONFIG_SCSI_AHCI=y
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_SYS_I2C_SLAVE=0x7f