diff --git a/wallpapers/image/backgroundlistmodel.cpp b/wallpapers/image/backgroundlistmodel.cpp
--- a/wallpapers/image/backgroundlistmodel.cpp
+++ b/wallpapers/image/backgroundlistmodel.cpp
@@ -55,8 +55,8 @@
 
 void ImageSizeFinder::run()
 {
-    QImage image(m_path);
-    Q_EMIT sizeFound(m_path, image.size());
+    QImageReader reader(m_path);
+    Q_EMIT sizeFound(m_path, reader.size());
 }