diff --git a/pkg/hostman/guestman/pci.go b/pkg/hostman/guestman/pci.go
index 746f9f250d..692d009886 100644
--- a/pkg/hostman/guestman/pci.go
+++ b/pkg/hostman/guestman/pci.go
@@ -175,7 +175,7 @@ func (s *SKVMGuestInstance) initMachineDefaultDevices() error {
 func (s *SKVMGuestInstance) initGuestPciControllers() (*desc.PCIController, *desc.PCIController) {
 	var isPcie = s.isPcie()
 	var pciRoot, pciBridge *desc.PCIController
-	if isPcie && s.hasPcieExtendBus() {
+	if isPcie {
 		pciRoot = s.addPCIController(desc.CONTROLLER_TYPE_PCIE_ROOT, "")
 		s.addPCIController(desc.CONTROLLER_TYPE_PCIE_TO_PCI_BRIDGE, desc.CONTROLLER_TYPE_PCIE_ROOT)
 		pciBridge = s.addPCIController(desc.CONTROLLER_TYPE_PCI_BRIDGE, desc.CONTROLLER_TYPE_PCIE_TO_PCI_BRIDGE)
diff --git a/pkg/hostman/guestman/qemu-kvm.go b/pkg/hostman/guestman/qemu-kvm.go
index 8ec941a572..52f42fb48c 100644
--- a/pkg/hostman/guestman/qemu-kvm.go
+++ b/pkg/hostman/guestman/qemu-kvm.go
@@ -2163,9 +2163,7 @@ func (s *SKVMGuestInstance) OnResumeSyncMetadataInfo() {
 	} else {
 		meta.Set("__cpu_mode", jsonutils.NewString(api.CPU_MODE_HOST))
 	}
-	if s.hasPcieExtendBus() {
-		meta.Set("__pcie_extend_bus", jsonutils.JSONTrue)
-	}
+	meta.Set("__pcie_extend_bus", jsonutils.JSONTrue)
 	cmdline, err := s.getQemuCmdline()
 	if err != nil {
 		log.Errorf("Get qemu process cmdline error: %v", err)