diff --git a/wallpapers/image/image.cpp b/wallpapers/image/image.cpp
--- a/wallpapers/image/image.cpp
+++ b/wallpapers/image/image.cpp
@@ -769,7 +769,7 @@
 {
     if(!m_slideshowBackgrounds.contains(path)) {
         QFileInfo fileInfo(path);
-        if(fileInfo.isFile() && BackgroundFinder::suffixes().contains(fileInfo.suffix().toLower())) {
+        if(fileInfo.isFile() && BackgroundFinder::suffixes().contains("*."+fileInfo.suffix().toLower())) {
             m_slideshowBackgrounds.append(path);
             m_unseenSlideshowBackgrounds.append(path);
             if(m_slideshowBackgrounds.count() == 1) {