diff --git a/platform-mc/platform_manager.cpp b/platform-mc/platform_manager.cpp
index 51a6b06..1dd2cca 100644
--- a/platform-mc/platform_manager.cpp
+++ b/platform-mc/platform_manager.cpp
@@ -83,7 +83,8 @@
     if (!terminus->doesSupportCommand(PLDM_PLATFORM,
                                       PLDM_EVENT_MESSAGE_SUPPORTED))
     {
-        terminus->synchronyConfigurationSupported.byte = 0;
+        terminus->synchronyConfigurationSupported.byte =
+            1 << PLDM_EVENT_MESSAGE_GLOBAL_ENABLE_ASYNC_KEEP_ALIVE;
     }
     else
     {