diff --git a/hw/pci.c b/hw/pci.c
index 9ad63dd948..e91d2e693f 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1558,7 +1558,7 @@ PCIBus *pci_find_bus(PCIBus *bus, int bus_num)
     /* try child bus */
     QLIST_FOREACH(sec, &bus->child, sibling) {
         if (!bus->parent_dev /* pci host bridge */
-            || (pci_bus_num(sec) >= bus_num &&
+            || (pci_bus_num(sec) <= bus_num &&
                 bus_num <= bus->parent_dev->config[PCI_SUBORDINATE_BUS]) ) {
             ret = pci_find_bus(sec, bus_num);
             if (ret) {