diff --git a/private/wallpaperrenderthread.cpp b/private/wallpaperrenderthread.cpp
index c6ac50ffd..83ae3cc0c 100644
--- a/private/wallpaperrenderthread.cpp
+++ b/private/wallpaperrenderthread.cpp
@@ -35,6 +35,8 @@ WallpaperRenderThread::WallpaperRenderThread(QObject *parent)
 {
     m_abort = false;
     m_restart = false;
+    
+    setPriority(QThread::LowPriority);
 }
 
 WallpaperRenderThread::~WallpaperRenderThread()