diff --git a/netbox_proxmox_sync/__init__.py b/netbox_proxmox_sync/__init__.py
index fc9dad404f8f5959c3b4343c133ebb28036d5da9..d44f74a8f2a2c80781ff4a102a898775c381cc38 100644
--- a/netbox_proxmox_sync/__init__.py
+++ b/netbox_proxmox_sync/__init__.py
@@ -5,7 +5,7 @@ class NetBoxProxmoxSyncConfig(PluginConfig):
     name = 'netbox_proxmox_sync'
     verbose_name = 'NetBox Proxmox Sync'
     description = 'Import cluster information from Proxmox into NetBox'
-    version = '2.0.5'
+    version = '2.1.1'
     base_url = 'netbox-proxmox-sync'
 
 
diff --git a/netbox_proxmox_sync/api/utils/models.py b/netbox_proxmox_sync/api/utils/models.py
index 5b1139ffacfb49326c01f007de1e22c1c2517b41..5974e7e1e913a1bc6446a16f379678c4d1282837 100644
--- a/netbox_proxmox_sync/api/utils/models.py
+++ b/netbox_proxmox_sync/api/utils/models.py
@@ -153,8 +153,8 @@ def vm_from_proxmox(cluster_name, proxmox_node_name, proxmox_vm, tags=[]):
 
 
 def interface_from_proxmox(proxmox_vm_name, interface_name, proxmox_interface):
-    # net[0-9]+: 'virtio=00:00:00:00:00:00,bridge=vmbr<VID>'
-    mac = proxmox_interface.split('virtio=')[1].split(',')[0]
+    # net[0-9]+: 'virtio?=00:00:00:00:00:00,bridge=vmbr<VID>'
+    mac = proxmox_interface.split('=')[1].split(',')[0]
     vlan_id = int(proxmox_interface.split('bridge=vmbr')[1].split(',firewall')[0])
     return VirtualInterface(
         name=f'{proxmox_vm_name}:{interface_name}',
diff --git a/setup.py b/setup.py
index 9a30b6f15a98efc15e509564ffde598d965c2d3c..d60733dbb4986413bf7124d708038983fdb86a5e 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import find_packages, setup
 
 setup(
     name='netbox-proxmox-sync',
-    version='2.1.0',
+    version='2.1.1',
     description='Import Proxmox cluster info into NetBox.',
     install_requires=['pynetbox', 'proxmoxer'],
     include_package_data=True,