diff --git a/configs/r2dplus_defconfig b/configs/r2dplus_defconfig
index 4061708..edb1591 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -17,6 +17,7 @@
 CONFIG_PREBOOT="pci enum"
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PBSIZE=256
 CONFIG_CMD_IMLS=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_IDE=y