diff --git a/redfish-core/lib/task.hpp b/redfish-core/lib/task.hpp
index b7795a7..4ebbc14 100644
--- a/redfish-core/lib/task.hpp
+++ b/redfish-core/lib/task.hpp
@@ -188,7 +188,7 @@
             });
     }
 
-    void sendTaskEvent(const std::string_view state, size_t index)
+    static void sendTaskEvent(const std::string_view state, size_t index)
     {
         std::string origin =
             "/redfish/v1/TaskService/Tasks/" + std::to_string(index);