diff --git a/src/qemu/qemu_extdevice.c b/src/qemu/qemu_extdevice.c
index fdefe59215..47e97f3565 100644
--- a/src/qemu/qemu_extdevice.c
+++ b/src/qemu/qemu_extdevice.c
@@ -296,6 +296,17 @@ qemuExtDevicesHasDevice(virDomainDef *def)
             return true;
     }
 
+    for (i = 0; i < def->nnets; i++) {
+        virDomainNetDef *net = def->nets[i];
+
+        if (QEMU_DOMAIN_NETWORK_PRIVATE(net)->slirp)
+            return true;
+
+        if (net->type == VIR_DOMAIN_NET_TYPE_USER &&
+            net->backend.type == VIR_DOMAIN_NET_BACKEND_PASST)
+            return true;
+    }
+
     for (i = 0; i < def->ntpms; i++) {
         if (def->tpms[i]->type == VIR_DOMAIN_TPM_TYPE_EMULATOR)
             return true;