diff --git a/hypervisor/dm/vpci/ivshmem.c b/hypervisor/dm/vpci/ivshmem.c
index 3f5942b75..68bce125f 100644
--- a/hypervisor/dm/vpci/ivshmem.c
+++ b/hypervisor/dm/vpci/ivshmem.c
@@ -252,7 +252,7 @@ static void ivshmem_vbar_map(struct pci_vdev *vdev, uint32_t idx)
 
 	if ((idx == IVSHMEM_SHM_BAR) && (vbar->base_hpa != INVALID_HPA) && (vbar->base_gpa != 0UL)) {
 		ept_add_mr(vm, (uint64_t *)vm->arch_vm.nworld_eptp, vbar->base_hpa,
-				vbar->base_gpa, vbar->size, EPT_RD | EPT_WR | EPT_WB);
+				vbar->base_gpa, vbar->size, EPT_RD | EPT_WR | EPT_WB | EPT_IGNORE_PAT);
 	} else if ((idx == IVSHMEM_MMIO_BAR) && (vbar->base_gpa != 0UL)) {
 		(void)memset(&ivs_dev->mmio, 0U, sizeof(ivs_dev->mmio));
 		register_mmio_emulation_handler(vm, ivshmem_mmio_handler, vbar->base_gpa,
diff --git a/hypervisor/include/arch/x86/asm/pgtable.h b/hypervisor/include/arch/x86/asm/pgtable.h
index a3d690a4e..eca2cd4ee 100644
--- a/hypervisor/include/arch/x86/asm/pgtable.h
+++ b/hypervisor/include/arch/x86/asm/pgtable.h
@@ -104,6 +104,11 @@
  */
 #define EPT_WB			(6UL << EPT_MT_SHIFT)
 
+/**
+ * @brief Ignore PAT memory type.
+ */
+#define EPT_IGNORE_PAT		(1UL << 6U)
+
 /**
  * @}
  */