diff --git a/PictureDialog.cpp b/PictureDialog.cpp
index 9b32afa..fdddd9a 100755
--- a/PictureDialog.cpp
+++ b/PictureDialog.cpp
@@ -389,7 +389,11 @@ void PictureDialog::on_labPicture_mouseDoubleClicked(Qt::MouseButton button)
         QRect desktopRect = QApplication::desktop()->screenGeometry(this);
         PictureWidget *pictureWidget = new PictureWidget(this);
         pictureWidget->setObjectName("PictureWidget");
+#if QT_VERSION >= 0x050000
         pictureWidget->setWindowFlags(pictureWidget->windowFlags()^Qt::FramelessWindowHint^Qt::MaximizeUsingFullscreenGeometryHint);
+#else
+        pictureWidget->setWindowFlags(pictureWidget->windowFlags()^Qt::FramelessWindowHint);
+#endif
         pictureWidget->setWindowTitle(this->windowTitle());
         pictureWidget->setStyleSheet("QLabel#pictureLabel{background-color: black;}");
         pictureWidget->setImage(snapmaticPicture, desktopRect);