diff --git a/src/qabstractseries.h b/src/qabstractseries.h
index ced0962..d9a4c21 100644
--- a/src/qabstractseries.h
+++ b/src/qabstractseries.h
@@ -50,7 +50,8 @@ public:
         SeriesTypeScatter,
         SeriesTypeSpline,
         SeriesTypeHorizontalBar
-
+        SeriesTypeHorizontalStackedBar,
+        SeriesTypeHorizontalPercentBar
     };
 
 protected: