diff --git a/awx/main/models/inventory.py b/awx/main/models/inventory.py
index a9123659dd..73e1a791f5 100644
--- a/awx/main/models/inventory.py
+++ b/awx/main/models/inventory.py
@@ -1146,6 +1146,7 @@ class InventorySourceOptions(BaseModel):
             ('aws_account', _('Account')),
             ('instance_id', _('Instance ID')),
             ('instance_state', _('Instance State')),
+            ('platform', _('Platform')),
             ('instance_type', _('Instance Type')),
             ('key_pair', _('Key Name')),
             ('region', _('Region')),