diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index ab7750c346..53fb3db26d 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -228,10 +228,10 @@ static void pc_q35_init(MachineState *machine)
     lpc_dev = DEVICE(lpc);
     qdev_prop_set_bit(lpc_dev, "smm-enabled",
                       x86_machine_is_smm_enabled(x86ms));
-    pci_realize_and_unref(lpc, host_bus, &error_fatal);
     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
     }
+    pci_realize_and_unref(lpc, host_bus, &error_fatal);
 
     rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(lpc), "rtc"));