diff --git a/configs/demo9s12ne64/ostest/defconfig b/configs/demo9s12ne64/ostest/defconfig
index fc52adf2612..9c2afdf33ae 100755
--- a/configs/demo9s12ne64/ostest/defconfig
+++ b/configs/demo9s12ne64/ostest/defconfig
@@ -52,6 +52,9 @@
 # CONFIG_DRAM_SIZE - Describes the installed RAM.
 # CONFIG_DRAM_START - The start address of RAM (physical)
 # CONFIG_DRAM_END - Last address+1 of installed RAM
+# CONFIG_ARCH_NOINTC - define if the architecture does not
+#   support an interrupt controller or otherwise cannot support
+#   APIs like up_enable_irq() and up_disable_irq().
 # CONFIG_ARCH_IRQPRIO - The ST32F103Z supports interrupt prioritization
 # CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
 #   stack. If defined, this symbol is the size of the interrupt
@@ -80,6 +83,7 @@ CONFIG_BOARD_LOOPSPERMSEC=5483
 CONFIG_DRAM_SIZE=0x00010000
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
+CONFIG_ARCH_NOINTC=y
 CONFIG_ARCH_IRQPRIO=n
 CONFIG_ARCH_INTERRUPTSTACK=n
 CONFIG_ARCH_STACKDUMP=y