diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 3ec090adcdae..76e9d3e2f9f2 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -254,7 +254,7 @@
 #define DTE_IRQ_REMAP_INTCTL_MASK	(0x3ULL << 60)
 #define DTE_IRQ_TABLE_LEN_MASK	(0xfULL << 1)
 #define DTE_IRQ_REMAP_INTCTL    (2ULL << 60)
-#define DTE_IRQ_TABLE_LEN       (8ULL << 1)
+#define DTE_IRQ_TABLE_LEN       (9ULL << 1)
 #define DTE_IRQ_REMAP_ENABLE    1ULL
 
 #define PAGE_MODE_NONE    0x00