diff --git a/configs/ez80f910200zco/nsh/defconfig b/configs/ez80f910200zco/nsh/defconfig
index 8656fcec982..2cf6cf5812b 100644
--- a/configs/ez80f910200zco/nsh/defconfig
+++ b/configs/ez80f910200zco/nsh/defconfig
@@ -683,7 +683,7 @@ CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
 CONFIG_EXAMPLES_NSH_FILEIOSIZE=512
 CONFIG_EXAMPLES_NSH_STRERROR=n
 CONFIG_EXAMPLES_NSH_LINELEN=64
-CONFIG_EXAMPLES_NSH_STACKSIZE=1024
+CONFIG_EXAMPLES_NSH_STACKSIZE=2048
 CONFIG_EXAMPLES_NSH_NESTDEPTH=3
 CONFIG_EXAMPLES_NSH_DISABLESCRIPT=n
 CONFIG_EXAMPLES_NSH_DISABLEBG=n
@@ -744,7 +744,7 @@ CONFIG_EXAMPLES_NX_VPLANE=0
 #CONFIG_EXAMPLES_NX_FONTCOLOR
 CONFIG_EXAMPLES_NX_BPP=CONFIG_SIM_FBBPP
 CONFIG_EXAMPLES_NX_RAWWINDOWS=n
-CONFIG_EXAMPLES_NX_STACKSIZE=8192
+CONFIG_EXAMPLES_NX_STACKSIZE=2048
 CONFIG_EXAMPLES_NX_CLIENTPRIO=80
 CONFIG_EXAMPLES_NX_SERVERPRIO=120
 CONFIG_EXAMPLES_NX_NOTIFYSIGNO=4
@@ -780,7 +780,7 @@ CONFIG_BOOT_FROM_FLASH=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_STACK_POINTER=
 CONFIG_IDLETHREAD_STACKSIZE=1024
-CONFIG_USERMAIN_STACKSIZE=1024
+CONFIG_USERMAIN_STACKSIZE=2048
 CONFIG_PTHREAD_STACK_MIN=256
 CONFIG_PTHREAD_STACK_DEFAULT=1024
 CONFIG_HEAP_BASE=