diff --git a/extensions/openpower-pels/registry/schema/schema.json b/extensions/openpower-pels/registry/schema/schema.json
index a866ed3..31dba67 100644
--- a/extensions/openpower-pels/registry/schema/schema.json
+++ b/extensions/openpower-pels/registry/schema/schema.json
@@ -456,7 +456,7 @@
         {
             "description": "The symbolic FRU callout.",
             "type": "string",
-            "enum": ["service_docs", "pwrsply", "air_mover", "pgood_part", "usb_pgood", "ambient_temp", "ambient_temp_back", "ambient_perf_loss", "ac_module", "fan_cable", "cable_continued", "altitude", "pcie_hot_plug"]
+            "enum": ["service_docs", "pwrsply", "air_mover", "pgood_part", "usb_pgood", "ambient_temp", "ambient_temp_back", "ambient_perf_loss", "ac_module", "fan_cable", "cable_continued", "altitude", "pcie_hot_plug", "overtemp"]
         },
 
         "symbolicFRUTrusted":