diff --git a/configs/at91sam9xeek_dataflash_cs1_defconfig b/configs/at91sam9xeek_dataflash_cs1_defconfig
index 204f7e3..e1d8e25 100644
--- a/configs/at91sam9xeek_dataflash_cs1_defconfig
+++ b/configs/at91sam9xeek_dataflash_cs1_defconfig
@@ -25,6 +25,7 @@
 CONFIG_BOOTCOMMAND="sf probe 0:1; sf read 0x22000000 0x84000 0x294000; bootm 0x22000000"
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_SYS_PBSIZE=281
 # CONFIG_CMD_BDI is not set
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMI is not set