diff --git a/configs/spark/usbmsc/defconfig b/configs/spark/usbmsc/defconfig
index 2db0129810..b78e951d3b 100644
--- a/configs/spark/usbmsc/defconfig
+++ b/configs/spark/usbmsc/defconfig
@@ -385,7 +385,7 @@ CONFIG_PREALLOC_TIMERS=2
 # Stack and heap information
 #
 CONFIG_IDLETHREAD_STACKSIZE=280
-CONFIG_USERMAIN_STACKSIZE=830
+CONFIG_USERMAIN_STACKSIZE=1024
 CONFIG_PTHREAD_STACK_MIN=256
 CONFIG_PTHREAD_STACK_DEFAULT=340
 
diff --git a/configs/spark/usbnsh/defconfig b/configs/spark/usbnsh/defconfig
index 244351da8d..1552f56406 100644
--- a/configs/spark/usbnsh/defconfig
+++ b/configs/spark/usbnsh/defconfig
@@ -23,7 +23,7 @@ CONFIG_HOST_LINUX=y
 # Binary Output Formats
 #
 # CONFIG_RRLOAD_BINARY is not set
-# CONFIG_INTELHEX_BINARY is not set
+CONFIG_INTELHEX_BINARY=y
 # CONFIG_MOTOROLA_SREC is not set
 CONFIG_RAW_BINARY=y