diff --git a/gns3server/compute/qemu/qemu_vm.py b/gns3server/compute/qemu/qemu_vm.py
index 681c4d86..99b2d711 100644
--- a/gns3server/compute/qemu/qemu_vm.py
+++ b/gns3server/compute/qemu/qemu_vm.py
@@ -55,7 +55,7 @@ log = logging.getLogger(__name__)
 
 # forbidden additional options
 FORBIDDEN_OPTIONS = {"-blockdev", "-drive", "-hda", "-hdb", "-hdc", "-hdd",
-                     "-fsdev", "-virtfs"}
+                     "-fsdev", "-virtfs", "-nic", "-netdev"}
 FORBIDDEN_OPTIONS |= {"-" + opt for opt in FORBIDDEN_OPTIONS
                       if opt.startswith("-") and not opt.startswith("--")}