diff --git a/include/libpldm/platform.h b/include/libpldm/platform.h
index 9018dd2..03243b4 100644
--- a/include/libpldm/platform.h
+++ b/include/libpldm/platform.h
@@ -726,7 +726,10 @@
 	uint16_t terminus_handle;
 	uint16_t sensor_id;
 	uint16_t entity_type;
-	uint16_t entity_instance_num;
+	union {
+		uint16_t entity_instance_num;
+		uint16_t entity_instance;
+	};
 	uint16_t container_id;
 	uint8_t sensor_init;
 	bool8_t sensor_auxiliary_names_pdr;