diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 6ff1b2c756145844a1d9f65658a729b9f11ce499..e4bdb570fb8b60a13800042001ab9e7abf4d1b92 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1181,7 +1181,8 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs)
      * hardcoded slot=1, multifunction device
      */
     for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) {
-        if (function == 1 && (reservedIDE || reservedUSB))
+        if ((function == 1 && reservedIDE) ||
+            (function == 2 && reservedUSB))
             /* we have reserved this pci address */
             continue;