diff --git a/recipes-phosphor/bmcweb/bmcweb_%.bbappend b/recipes-phosphor/bmcweb/bmcweb_%.bbappend
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+SUMMARY = "Modifications to support phosphor-inventory-manager"
+
+# No way to link sensors to a chassis for Redfish in phosphor-inventory-manager.
+# Assume just one chassis via BMCWEB_ENABLE_REDFISH_ONE_CHASSIS option. All
+# IBM systems currently have a single chassis. This is a short-term solution.
+EXTRA_OECMAKE += "-DBMCWEB_ENABLE_REDFISH_ONE_CHASSIS=ON"