diff --git a/appliances/cisco-csr1000v.gns3a b/appliances/cisco-csr1000v.gns3a
index 7f69680..83c7f90 100644
--- a/appliances/cisco-csr1000v.gns3a
+++ b/appliances/cisco-csr1000v.gns3a
@@ -12,7 +12,7 @@
     "maintainer": "GNS3 Team",
     "maintainer_email": "developers@gns3.net",
     "usage": "There is no default password and enable password. A default configuration is present.",
-    "port_name_format": "GigabitEthernet{port1}",
+    "port_name_format": "Gi{port1}",
     "qemu": {
         "adapter_type": "virtio-net-pci",
         "adapters": 4,