diff --git a/client-cli/cli_lib/vm.py b/client-cli/cli_lib/vm.py
index d2bb4484..9192d28a 100644
--- a/client-cli/cli_lib/vm.py
+++ b/client-cli/cli_lib/vm.py
@@ -567,7 +567,7 @@ def vm_networks_add(config, vm, network, macaddr, model, sriov, sriov_mode, rest
pci_slot=sriov_vf_information['pci']['slot'],
pci_function=sriov_vf_information['pci']['function'],
)
- device_string = '{network}'.format(
+ device_string = '{network}'.format(
macaddr=macaddr,
bus_address=bus_address,
network=network