diff --git a/configs/UTOO_P66_defconfig b/configs/UTOO_P66_defconfig
index b021b0a..64ab382 100644
--- a/configs/UTOO_P66_defconfig
+++ b/configs/UTOO_P66_defconfig
@@ -21,6 +21,7 @@
 CONFIG_VIDEO_LCD_TL059WV5C0=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_I2C=y
+CONFIG_SYS_PBSIZE=1024
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_SYS_I2C_SLAVE=0x7f
 CONFIG_SYS_I2C_SPEED=400000