diff --git a/changelogs/fragments/891-packet_net-fix-not-subscriptable.yaml b/changelogs/fragments/891-packet_net-fix-not-subscriptable.yaml
new file mode 100644
index 0000000000..844a16eef0
--- /dev/null
+++ b/changelogs/fragments/891-packet_net-fix-not-subscriptable.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+- packet_net.py inventory script - fixed failure w.r.t. operating system retrieval by changing array subscription back to attribute access (https://github.com/ansible-collections/community.general/pull/891).
diff --git a/scripts/inventory/packet_net.py b/scripts/inventory/packet_net.py
index 9466017140..196e26869d 100644
--- a/scripts/inventory/packet_net.py
+++ b/scripts/inventory/packet_net.py
@@ -346,9 +346,9 @@ class PacketInventory(object):
 
         # Inventory: Group by OS
         if self.group_by_operating_system:
-            self.push(self.inventory, device.operating_system['slug'], dest)
+            self.push(self.inventory, device.operating_system.slug, dest)
             if self.nested_groups:
-                self.push_group(self.inventory, 'operating_systems', device.operating_system['slug'])
+                self.push_group(self.inventory, 'operating_systems', device.operating_system.slug)
 
         # Inventory: Group by plan type
         if self.group_by_plan_type:
@@ -395,7 +395,7 @@ class PacketInventory(object):
             elif key == 'packet_facility':
                 device_vars[key] = value['code']
             elif key == 'packet_operating_system':
-                device_vars[key] = value['slug']
+                device_vars[key] = value.slug
             elif key == 'packet_plan':
                 device_vars[key] = value['slug']
             elif key == 'packet_tags':