diff --git a/src/airtime.h b/src/airtime.h
index d78db86a4..134bad47d 100644
--- a/src/airtime.h
+++ b/src/airtime.h
@@ -47,8 +47,7 @@ class AirTime : private concurrency::OSThread
     void logAirtime(reportTypes reportType, uint32_t airtime_ms);
 
   protected:
-
-    virtual int32_t runOnce();
+    virtual int32_t runOnce() override;
 };
 
 extern AirTime *airTime;
\ No newline at end of file