diff --git a/include/hw/intc/loongarch_extioi_common.h b/include/hw/intc/loongarch_extioi_common.h
index 735bfee80a..dca25ff893 100644
--- a/include/hw/intc/loongarch_extioi_common.h
+++ b/include/hw/intc/loongarch_extioi_common.h
@@ -35,7 +35,7 @@
 #define EXTIOI_ISR_START             (0x700 - APIC_OFFSET)
 #define EXTIOI_ISR_END               (0x720 - APIC_OFFSET)
 #define EXTIOI_COREISR_START         (0x800 - APIC_OFFSET)
-#define EXTIOI_COREISR_END           (0xB20 - APIC_OFFSET)
+#define EXTIOI_COREISR_END           (0x820 - APIC_OFFSET)
 #define EXTIOI_COREMAP_START         (0xC00 - APIC_OFFSET)
 #define EXTIOI_COREMAP_END           (0xD00 - APIC_OFFSET)
 #define EXTIOI_SIZE                  0x800