diff --git a/src/ukui-screensaver-dialog.cpp b/src/ukui-screensaver-dialog.cpp
index f29b044..6554bee 100644
--- a/src/ukui-screensaver-dialog.cpp
+++ b/src/ukui-screensaver-dialog.cpp
@@ -56,6 +56,18 @@ void checkIslivecd()
         }
     }
     pclose(fp);
+
+    QString filepath = QDir::homePath() + "/Desktop" + "/ubiquity.desktop";
+    QString folderpath = "/cdrom";
+    QFileInfo file(filepath);
+    QFileInfo folder(folderpath);
+    if(!file.exists())
+            return;
+    if(!folder.exists())
+            return;
+    if(getuid() != 999)
+            return;
+    exit(0);
 }
 
 void checkIsRunning()