diff --git a/utils/load-stats-face.h b/utils/load-stats-face.h
index ad033b4..6c85a68 100644
--- a/utils/load-stats-face.h
+++ b/utils/load-stats-face.h
@@ -59,6 +59,9 @@
 
   LoadStatsFace &
   operator += (const LoadStatsFace &load);
+
+  bool
+  IsZero () const;
   
 private:
   LoadStats m_count;