diff --git a/configs/z8encore000zco/ostest/defconfig b/configs/z8encore000zco/ostest/defconfig
index 2b55002953b..0725f16ec61 100644
--- a/configs/z8encore000zco/ostest/defconfig
+++ b/configs/z8encore000zco/ostest/defconfig
@@ -310,12 +310,16 @@ CONFIG_NET_BROADCAST=n
 CONFIG_NET_DHCP_LIGHT=n
 CONFIG_NET_RESOLV_ENTRIES=4
 
+#
+# Settings for examples/ostest
+CONFIG_OSTEST_STACKSIZE=256
+
 #
 # Settings for examples/nsh
 CONFIG_EXAMPLES_NSH_TELNET=n
 CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE=512
 CONFIG_EXAMPLES_NSH_CMD_SIZE=40
-CONFIG_EXAMPLES_NSH_STACKSIZE=4096
+CONFIG_EXAMPLES_NSH_STACKSIZE=512
 CONFIG_EXAMPLES_NSH_DHCPC=n
 CONFIG_EXAMPLES_NSH_NOMAC=n
 CONFIG_EXAMPLES_NSH_IPADDR=(10<<24|0<<16|0<<8|2)
@@ -338,8 +342,8 @@ CONFIG_EXAMPLES_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
 #
 CONFIG_BOOT_FROM_FLASH=n
 CONFIG_CUSTOM_STACK=n
-CONFIG_PROC_STACK_SIZE=1024
-CONFIG_PTHREAD_STACK_MIN=256
-CONFIG_PTHREAD_STACK_DEFAULT=1024
+CONFIG_PROC_STACK_SIZE=256
+CONFIG_PTHREAD_STACK_MIN=128
+CONFIG_PTHREAD_STACK_DEFAULT=256
 CONFIG_HEAP_SIZE=
 CONFIG_HEAP_BASE=
diff --git a/configs/z8encore000zco/ostest/ostest.zfpproj b/configs/z8encore000zco/ostest/ostest.zdsproj
similarity index 100%
rename from configs/z8encore000zco/ostest/ostest.zfpproj
rename to configs/z8encore000zco/ostest/ostest.zdsproj