diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index 19033fc49..f1f678c0a 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -92,7 +92,7 @@
 #define AR71XX_PCI_IRQ_DEV0	(AR71XX_PCI_IRQ_BASE + 0)
 #define AR71XX_PCI_IRQ_DEV1	(AR71XX_PCI_IRQ_BASE + 1)
 #define AR71XX_PCI_IRQ_DEV2	(AR71XX_PCI_IRQ_BASE + 2)
-#define AR71XX_PCI_IRQ_CORE	(AR71XX_PCI_IRQ_BASE + 3)
+#define AR71XX_PCI_IRQ_CORE	(AR71XX_PCI_IRQ_BASE + 4)
 
 extern u32 ar71xx_ahb_freq;
 extern u32 ar71xx_cpu_freq;