diff --git a/configs/sunxi_Gemei_G9_defconfig b/configs/sunxi_Gemei_G9_defconfig
index 3fee7c2..8b8a880 100644
--- a/configs/sunxi_Gemei_G9_defconfig
+++ b/configs/sunxi_Gemei_G9_defconfig
@@ -12,6 +12,7 @@
 CONFIG_VIDEO_LCD_PANEL_LVDS=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