diff --git a/PerformanceMetrics/TraceOutput.cpp b/PerformanceMetrics/TraceOutput.cpp
index 785586b..bc7a3ed 100644
--- a/PerformanceMetrics/TraceOutput.cpp
+++ b/PerformanceMetrics/TraceOutput.cpp
@@ -97,7 +97,7 @@ class MetricsTraceOuput : public PerformanceMetrics::IStateMetricsLogger {
         }
     }
 
-    void Activated() 
+    void Activated() override
     {
         if( _memory != nullptr ) {
             TRACE(Trace::Metric, (_T("Plugin %s activated, RSS: %llu"), _callsign.c_str(), _memory->Resident()));