diff --git a/src/server/shared/Utilities/Timer.h b/src/server/shared/Utilities/Timer.h
index 5bc19a2b77..b0b395865b 100644
--- a/src/server/shared/Utilities/Timer.h
+++ b/src/server/shared/Utilities/Timer.h
@@ -66,7 +66,7 @@ struct IntervalTimer
         void Reset()
         {
             if (_current >= _interval)
-                _current -= _interval;
+                _current %= _interval;
         }
 
         void SetCurrent(time_t current)