diff --git a/src/core/UBDisplayManager.cpp b/src/core/UBDisplayManager.cpp
index cd9db4ec..f24e9211 100644
--- a/src/core/UBDisplayManager.cpp
+++ b/src/core/UBDisplayManager.cpp
@@ -180,7 +180,7 @@ void UBDisplayManager::setDisplayWidget(QWidget* pDisplayWidget)
         }
         mDisplayWidget = pDisplayWidget;
         mDisplayWidget->setGeometry(mDesktop->screenGeometry(mDisplayScreenIndex));
-        if (UBSettings::settings()->appUseMultiscreen->get().toBool())
+        if (numScreens() > 1 && UBSettings::settings()->appUseMultiscreen->get().toBool())
             UBPlatformUtils::showFullScreen(mDisplayWidget);
     }
 }