diff --git a/configs/orangepi_one_defconfig b/configs/orangepi_one_defconfig
index 1064b4a..ee9d8f3 100644
--- a/configs/orangepi_one_defconfig
+++ b/configs/orangepi_one_defconfig
@@ -5,6 +5,7 @@
 CONFIG_MACH_SUN8I_H3=y
 CONFIG_DRAM_CLK=672
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SYS_PBSIZE=1024
 CONFIG_SUN8I_EMAC=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_OHCI_HCD=y