diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
index 896ad9be67683d684c68fd1f90695b685eddbc78..ba6dadd4e7ea2a3891990e5ea0b19bab3a31b782 100644
--- a/src/qemu/qemu_hostdev.c
+++ b/src/qemu/qemu_hostdev.c
@@ -511,7 +511,8 @@ int qemuPrepareHostdevPCIDevices(virQEMUDriverPtr driver,
         dev = pciDeviceListGet(pcidevs, i);
         activeDev = pciDeviceListFind(driver->activePciHostdevs, dev);
 
-        pciDeviceSetUsedBy(activeDev, name);
+        if (activeDev)
+            pciDeviceSetUsedBy(activeDev, name);
     }
 
     /* Loop 8: Now set the original states for hostdev def */