diff --git a/configurations/yosemite4_sentineldome.json b/configurations/yosemite4_sentineldome.json
index cdfe8bd..383a284 100644
--- a/configurations/yosemite4_sentineldome.json
+++ b/configurations/yosemite4_sentineldome.json
@@ -16,5 +16,8 @@
         "Model": "$PRODUCT_PRODUCT_NAME",
         "PartNumber": "$PRODUCT_PART_NUMBER",
         "SerialNumber": "$PRODUCT_SERIAL_NUMBER"
+    },
+    "xyz.openbmc_project.Inventory.Decorator.Slot": {
+        "SlotNumber": "$bus % 15"
     }
 }