diff --git a/boards/x86/qemu/qemu-i486/configs/nsh/defconfig b/boards/x86/qemu/qemu-i486/configs/nsh/defconfig
index b956fde9d4d..f8eff99bad3 100644
--- a/boards/x86/qemu/qemu-i486/configs/nsh/defconfig
+++ b/boards/x86/qemu/qemu-i486/configs/nsh/defconfig
@@ -13,7 +13,7 @@ CONFIG_16550_UART0=y
 CONFIG_16550_UART0_BASE=0x3f8
 CONFIG_16550_UART0_BAUD=57600
 CONFIG_16550_UART0_CLOCK=16000000
-CONFIG_16550_UART0_IRQ=4
+CONFIG_16550_UART0_IRQ=36
 CONFIG_16550_UART0_SERIAL_CONSOLE=y
 CONFIG_16550_UART=y
 CONFIG_ARCH="x86"