diff --git a/configs/sam3u-ek/nx/defconfig b/configs/sam3u-ek/nx/defconfig
index 7c944798ba..bc94309ec6 100755
--- a/configs/sam3u-ek/nx/defconfig
+++ b/configs/sam3u-ek/nx/defconfig
@@ -878,7 +878,7 @@ CONFIG_EXAMPLES_NX_TBCOLOR=0xad55
 CONFIG_EXAMPLES_NX_FONTCOLOR=0x0000
 CONFIG_EXAMPLES_NX_BPP=16
 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