diff --git a/redfish-core/lib/chassis.hpp b/redfish-core/lib/chassis.hpp
index cd26849..2ebdaef 100644
--- a/redfish-core/lib/chassis.hpp
+++ b/redfish-core/lib/chassis.hpp
@@ -416,6 +416,12 @@
         {
             return; // delete this when we support more patch properties
         }
+        if (indicatorLed)
+        {
+            res.addHeader(boost::beast::http::field::warning,
+                          "299 - \"IndicatorLED is deprecated. Use "
+                          "LocationIndicatorActive instead.\"");
+        }
 
         const std::array<const char*, 2> interfaces = {
             "xyz.openbmc_project.Inventory.Item.Board",
diff --git a/redfish-core/lib/systems.hpp b/redfish-core/lib/systems.hpp
index 2817d92..9325a93 100644
--- a/redfish-core/lib/systems.hpp
+++ b/redfish-core/lib/systems.hpp
@@ -2233,6 +2233,9 @@
         if (indicatorLed)
         {
             setIndicatorLedState(asyncResp, *indicatorLed);
+            res.addHeader(boost::beast::http::field::warning,
+                          "299 - \"IndicatorLED is deprecated. Use "
+                          "LocationIndicatorActive instead.\"");
         }
 
         if (powerRestorePolicy)