diff --git a/boards/sim/sim/sim/configs/nsh2/defconfig b/boards/sim/sim/sim/configs/nsh2/defconfig
index 5c16b7afdd6..ae060e8daa5 100644
--- a/boards/sim/sim/sim/configs/nsh2/defconfig
+++ b/boards/sim/sim/sim/configs/nsh2/defconfig
@@ -43,6 +43,7 @@ CONFIG_NSH_ROMFSETC=y
 CONFIG_NX=y
 CONFIG_NXFONT_SANS23X27=y
 CONFIG_NXFONT_SANS28X37B=y
+CONFIG_NXSTART_SERVERSTACK=4096
 CONFIG_NX_BLOCKING=y
 CONFIG_NX_KBD=y
 CONFIG_NX_XYINPUT_MOUSE=y