diff --git a/awx/settings/defaults.py b/awx/settings/defaults.py
index 606ee60072..60a11daa7a 100644
--- a/awx/settings/defaults.py
+++ b/awx/settings/defaults.py
@@ -721,7 +721,7 @@ VMWARE_ENABLED_VAR = 'guest.gueststate'
 VMWARE_ENABLED_VALUE = 'running'
 
 # Inventory variable name containing the unique instance ID.
-VMWARE_INSTANCE_ID_VAR = 'config.instanceuuid'
+VMWARE_INSTANCE_ID_VAR = 'config.instanceUuid, config.instanceuuid'
 
 # Filter for allowed group and host names when importing inventory
 # from VMware.