diff --git a/YACReader/main_window_viewer.cpp b/YACReader/main_window_viewer.cpp
index 32bd6479..b3a87bf9 100644
--- a/YACReader/main_window_viewer.cpp
+++ b/YACReader/main_window_viewer.cpp
@@ -1070,12 +1070,13 @@ void MainWindowViewer::toFullScreen()
     previousSize = size();
 
     showNormal();
-    setWindowFlags(previousWindowFlags | Qt::FramelessWindowHint);
+    setWindowFlags(previousWindowFlags | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
 
-    const QRect r = windowHandle()->screen()->geometry();
+    QRect r = windowHandle()->screen()->geometry();
 
-    move(r.x(), r.y());
-    resize(r.width(), r.height() + 1);
+    r.setHeight(r.height() + 1);
+
+    setGeometry(r);
     show();
 
     viewer->show();
diff --git a/YACReaderLibrary/library_window.cpp b/YACReaderLibrary/library_window.cpp
index 7d6c8967..8da72b0c 100644
--- a/YACReaderLibrary/library_window.cpp
+++ b/YACReaderLibrary/library_window.cpp
@@ -2001,12 +2001,13 @@ void LibraryWindow::toFullScreen()
     previousSize = size();
 
     showNormal();
-    setWindowFlags(previousWindowFlags | Qt::FramelessWindowHint);
+    setWindowFlags(previousWindowFlags | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
 
-    const QRect r = windowHandle()->screen()->geometry();
+    QRect r = windowHandle()->screen()->geometry();
 
-    move(r.x(), r.y());
-    resize(r.width(), r.height() + 1);
+    r.setHeight(r.height() + 1);
+
+    setGeometry(r);
     show();
 
     comicsViewsManager->comicsView->toFullScreen();