diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 9baed5601d..38dd4517d1 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2560,6 +2560,28 @@ qemuDomainValidateDevicePCISlotsQ35(virDomainDefPtr def,
                 }
             }
             break;
+
+        case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
+            if (def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE &&
+                def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
+                /* Try to assign this bridge to 00:1E.0 (because that
+                * is its standard location on real hardware) unless
+                * it's already taken, but don't insist on it.
+                */
+                memset(&tmp_addr, 0, sizeof(tmp_addr));
+                tmp_addr.slot = 0x1E;
+                if (!qemuDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
+                    if (qemuDomainPCIAddressReserveAddr(addrs, &tmp_addr,
+                                                        flags, true, false) < 0)
+                        goto cleanup;
+                    def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
+                    def->controllers[i]->info.addr.pci.domain = 0;
+                    def->controllers[i]->info.addr.pci.bus = 0;
+                    def->controllers[i]->info.addr.pci.slot = 0x1E;
+                    def->controllers[i]->info.addr.pci.function = 0;
+                }
+            }
+            break;
         }
     }
 
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pcie-root.args b/tests/qemuxml2argvdata/qemuxml2argv-pcie-root.args
index 010e089e2c..48c21cd85f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-pcie-root.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pcie-root.args
@@ -2,5 +2,5 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
 /usr/libexec/qemu-kvm \
 -S -M q35 -m 2048 -smp 2 -nographic -nodefaults \
 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
--device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x2 \
+-device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e \
 -device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x1
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pcihole64-q35.args b/tests/qemuxml2argvdata/qemuxml2argv-pcihole64-q35.args
index 175c0dcf00..6855cd262c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-pcihole64-q35.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pcihole64-q35.args
@@ -2,7 +2,7 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
 /usr/libexec/qemu-kvm -S -M q35 -m 2048 -smp 2 -nographic -nodefaults \
 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi \
 -boot c -global q35-pcihost.pci-hole64-size=1048576K \
--device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x2 \
+-device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e \
 -device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x1 \
 -drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-sata0-0-0 \
 -device ide-drive,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0 \
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35.args b/tests/qemuxml2argvdata/qemuxml2argv-q35.args
index 6bd5f4c0c2..8cc5874c43 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-q35.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35.args
@@ -1,7 +1,7 @@
 LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
 /usr/libexec/qemu-kvm -S -M q35 -m 2048 -smp 2 -nographic -nodefaults \
 -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
--device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x2 \
+-device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e \
 -device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x1 \
 -drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-sata0-0-0 \
 -device ide-drive,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0 \