diff --git a/netbox/templates/dcim/device.html b/netbox/templates/dcim/device.html
index 19e7e6e3c..0080c8cf3 100644
--- a/netbox/templates/dcim/device.html
+++ b/netbox/templates/dcim/device.html
@@ -229,7 +229,7 @@
                                 <th>Utilization</th>
                             </tr>
                             {% for powerport in object.powerports.all %}
-                                {% with utilization=powerport.get_power_draw powerfeed=powerport.connected_endpoint %}
+                                {% with utilization=powerport.get_power_draw powerfeed=powerport.connected_endpoints.0 %}
                                     <tr>
                                         <td>{{ powerport }}</td>
                                         <td>{{ utilization.outlet_count }}</td>