diff --git a/src/core/UBApplicationController.cpp b/src/core/UBApplicationController.cpp
index 37582e53..04b49ed6 100644
--- a/src/core/UBApplicationController.cpp
+++ b/src/core/UBApplicationController.cpp
@@ -721,6 +721,13 @@ void UBApplicationController::importFile(const QString& pFilePath)
 
 void UBApplicationController::useMultiScreen(bool use)
 {
+    if (use && !mMirror)
+        mMirror = new UBScreenMirror();
+    if (!use && mMirror) {
+        delete mMirror;
+        mMirror = NULL;
+    }
+
     mDisplayManager->setUseMultiScreen(use);
     mDisplayManager->adjustScreens(0);
     UBSettings::settings()->appUseMultiscreen->set(use);
diff --git a/src/core/UBDisplayManager.cpp b/src/core/UBDisplayManager.cpp
index 77538458..2d0e418b 100644
--- a/src/core/UBDisplayManager.cpp
+++ b/src/core/UBDisplayManager.cpp
@@ -55,7 +55,7 @@ UBDisplayManager::UBDisplayManager(QObject *parent)
 {
     mDesktop = qApp->desktop();
 
-    mUseMultiScreen = true;
+    mUseMultiScreen = UBSettings::settings()->appUseMultiscreen->get().toBool();
 
     initScreenIndexes();