diff --git a/nuttx-configs/px4io-v2/nsh/defconfig b/nuttx-configs/px4io-v2/nsh/defconfig
index 801e451018..56892e3f93 100755
--- a/nuttx-configs/px4io-v2/nsh/defconfig
+++ b/nuttx-configs/px4io-v2/nsh/defconfig
@@ -276,7 +276,7 @@ CONFIG_BOARD_LOOPSPERMSEC=2000
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=0x2000
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=400
+CONFIG_ARCH_INTERRUPTSTACK=500
 
 #
 # Boot options