diff --git a/YACReaderLibrary/comic_flow_widget.cpp b/YACReaderLibrary/comic_flow_widget.cpp
index ddbfeaa1..0ade1c0b 100644
--- a/YACReaderLibrary/comic_flow_widget.cpp
+++ b/YACReaderLibrary/comic_flow_widget.cpp
@@ -25,7 +25,7 @@ ComicFlowWidgetSW::ComicFlowWidgetSW(QWidget *parent)
     setPalette(Pal);
 
     // config
-    QMatrix m;
+    QTransform m;
     m.rotate(-90);
     m.scale(-1, 1);
     QImage image(":/images/setRead.png");