diff --git a/configs/nsim_hs38be_defconfig b/configs/nsim_hs38be_defconfig
index 7d16c2e..6542da1 100644
--- a/configs/nsim_hs38be_defconfig
+++ b/configs/nsim_hs38be_defconfig
@@ -16,6 +16,7 @@
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttyS0,115200n8"
 CONFIG_SYS_PROMPT="nsim# "
+CONFIG_SYS_PBSIZE=279
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y