diff --git a/app/azure/models/container_group.js b/app/azure/models/container_group.js
index 2dcda73af..1f62ad372 100644
--- a/app/azure/models/container_group.js
+++ b/app/azure/models/container_group.js
@@ -28,7 +28,16 @@ export function ContainerGroupViewModel(data) {
   this.Name = data.name;
   this.Location = data.location;
   this.IPAddress = data.properties.ipAddress ? data.properties.ipAddress.ip : '';
-  this.Ports = addressPorts.length ? addressPorts.map((binding, index) => ({ container: containerPorts[index].port, host: binding.port, protocol: binding.protocol })) : [];
+  this.Ports = addressPorts.length
+    ? addressPorts.map((binding, index) => {
+        const port = (containerPorts[index] && containerPorts[index].port) || undefined;
+        return {
+          container: port,
+          host: binding.port,
+          protocol: binding.protocol,
+        };
+      })
+    : [];
   this.Image = container.properties.image || '';
   this.OSType = data.properties.osType;
   this.AllocatePublicIP = data.properties.ipAddress && data.properties.ipAddress.type === 'Public';