diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb46263..8272b23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,82 +1,88 @@
 project(klines)
 
 cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
 set (QT_MIN_VERSION "5.7.0")
 set (KF5_MIN_VERSION "5.30.0")
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED CONFIG)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Widgets)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     CoreAddons
     Config
     Crash
     WidgetsAddons
     Config
     DBusAddons
     I18n
     ConfigWidgets
     XmlGui
     DocTools
 )
     
 find_package(KF5KDEGames 4.9.0 REQUIRED)
 
 include(FeatureSummary)
 include(ECMAddAppIcon)
 include(ECMInstallIcons)
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
+# workaround for https://bugreports.qt.io/browse/QTBUG-74665 (bug in qt5.13 reevaluate it)
+if (${Qt5Widgets_VERSION} STREQUAL "5.13.0")
+   MESSAGE(STATUS "Qt version: ${Qt5Widgets_VERSION} DISABLE compile without deprecated methods. bug QTBUG-74665")
+else()
+   add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
+endif()
 
 add_subdirectory(themes)
 add_subdirectory(doc)
 
 ########### next target ###############
 
 set(klines_SRCS 
    mwidget.cpp 
    klines.cpp 
    main.cpp
    scene.cpp
    renderer.cpp
    ballitem.cpp
    previewitem.cpp
    animator.cpp
 )
    
 qt5_add_resources(klines_SRCS klines.qrc)
 kconfig_add_kcfg_files(klines_SRCS prefs.kcfgc)
 file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/*-apps-klines.png")
 ecm_add_app_icon(klines_SRCS ICONS ${ICONS_SRCS})
 add_executable(klines ${klines_SRCS})
 
 target_link_libraries(klines
     KF5KDEGames
     KF5::Crash
     KF5::DBusAddons
     KF5::XmlGui
 )
 
 install(TARGETS klines  ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 
 
 ########### install files ###############
 
 install(PROGRAMS org.kde.klines.desktop  DESTINATION  ${KDE_INSTALL_APPDIR})
 install(FILES klines.kcfg  DESTINATION  ${KDE_INSTALL_KCFGDIR})
 install(FILES org.kde.klines.appdata.xml DESTINATION ${CMAKE_INSTALL_METAINFODIR})
 
 ecm_install_icons(ICONS
     16-apps-klines.png
     22-apps-klines.png
     32-apps-klines.png
     48-apps-klines.png
     64-apps-klines.png
     128-apps-klines.png
     DESTINATION ${KDE_INSTALL_ICONDIR}
     THEME hicolor
 )
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
diff --git a/mwidget.cpp b/mwidget.cpp
index 51f0691..e813ebe 100644
--- a/mwidget.cpp
+++ b/mwidget.cpp
@@ -1,67 +1,67 @@
 /***************************************************************************
     begin                : Fri May 19 2000
     copyright            : (C) 2000 by Roman Merzlyakov
     email                : roman@sbrf.barrt.ru
     copyright            : (C) 2000 by Roman Razilov
     email                : Roman.Razilov@gmx.de
     copyright            : (C) 2006-2007 by Dmitry Suzdalev
     email                : dimsuz@gmail.com
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 #include "mwidget.h"
 #include "scene.h"
 
 
 #include <QGraphicsView>
 #include <QResizeEvent>
 #include <QBoxLayout>
 
 MainWidget::MainWidget( QWidget* parent )
     : QWidget( parent )
     , m_scene( nullptr )
     , m_next_label( nullptr )
 {
     QBoxLayout *mainLay = new QHBoxLayout( this );
-    mainLay->setMargin( 0 );
+    mainLay->setContentsMargins( 0 ,  0 ,  0 ,  0 );
 
     m_scene = new KLinesScene(this);
     QGraphicsView* klview = new QGraphicsView( m_scene, this );
     klview->setCacheMode( QGraphicsView::CacheBackground );
     klview->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
     klview->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
     klview->setFrameStyle(QFrame::NoFrame);
 
     klview->setOptimizationFlags( QGraphicsView::DontClipPainter |
                                   QGraphicsView::DontSavePainterState |
                                   QGraphicsView::DontAdjustForAntialiasing );
 
     mainLay->addWidget( klview );
 
     setMinimumSize( 250, 250 );
 }
 
 MainWidget::~MainWidget()
 {
 }
 
 void MainWidget::setShowNextColors(bool visible)
 {
     // add bonus score points if playing w/o preview
     m_scene->setBonusScorePoints( visible ? 0 : 1 );
     m_scene->setPreviewZoneVisible( visible );
 }
 
 void MainWidget::resizeEvent( QResizeEvent* ev)
 {
         m_scene->resizeScene( ev->size().width(), ev->size().height() );
 }