diff --git a/payloads/external/Makefile.inc b/payloads/external/Makefile.inc
index 7319a11a6d..5274581256 100644
--- a/payloads/external/Makefile.inc
+++ b/payloads/external/Makefile.inc
@@ -102,7 +102,8 @@ payloads/external/SeaBIOS/seabios/out/bios.bin.elf: $(DOTCONFIG)
 			CONFIG_SEABIOS_DEBUG_LEVEL=$(CONFIG_SEABIOS_DEBUG_LEVEL) \
 			CONFIG_DRIVERS_UART_8250MEM_32=$(CONFIG_DRIVERS_UART_8250MEM_32) \
 			CONFIG_ENABLE_HSUART=$(CONFIG_ENABLE_HSUART) \
-			CONFIG_CONSOLE_UART_BASE_ADDRESS=$(CONFIG_CONSOLE_UART_BASE_ADDRESS)
+			CONFIG_CONSOLE_UART_BASE_ADDRESS=$(CONFIG_CONSOLE_UART_BASE_ADDRESS) \
+			CONFIG_SEABIOS_HARDWARE_IRQ=$(CONFIG_SEABIOS_HARDWARE_IRQ)
 
 payloads/external/SeaBIOS/seabios/out/vgabios.bin: payloads/external/SeaBIOS/seabios/out/bios.bin.elf
 payloads/external/SeaBIOS/seabios/.config: payloads/external/SeaBIOS/seabios/out/bios.bin.elf