diff --git a/kmymoney/dialogs/kbalancechartdlg.cpp b/kmymoney/dialogs/kbalancechartdlg.cpp
index 4ef59627c..61233dbdb 100644
--- a/kmymoney/dialogs/kbalancechartdlg.cpp
+++ b/kmymoney/dialogs/kbalancechartdlg.cpp
@@ -1,168 +1,168 @@
 /***************************************************************************
                           kbalancechartdlg  -  description
                              -------------------
     begin                : Mon Nov 26 2007
     copyright            : (C) 2007 by Thomas Baumgart
     email                : Thomas Baumgart <ipwizard@users.sourceforge.net>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   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 "kbalancechartdlg.h"
 
 // ----------------------------------------------------------------------------
 // QT Includes
 
 #include <QLayout>
 #include <QFrame>
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QPushButton>
 #include <QDialogButtonBox>
 #include <QWindow>
 
 // ----------------------------------------------------------------------------
 // KDE Includes
 
 #include <KSharedConfig>
 #include <KWindowConfig>
 #include <KConfigGroup>
 #include <KLocalizedString>
 
 // ----------------------------------------------------------------------------
 // Project Includes
 
-#include <mymoneyreport.h>
-#include <pivottable.h>
-#include <kmymoneyglobalsettings.h>
-#include <kreportchartview.h>
+#include "mymoneyreport.h"
+#include "pivottable.h"
+#include "kmymoneyglobalsettings.h"
+#include "kreportchartview.h"
 
 using namespace reports;
 
 KBalanceChartDlg::KBalanceChartDlg(const MyMoneyAccount& account, QWidget* parent) :
     QDialog(parent)
 {
   setWindowTitle(i18n("Balance of %1", account.name()));
   setSizeGripEnabled(true);
   setModal(true);
 
   // restore the last used dialog size
   winId(); // needs to be called to create the QWindow
   KConfigGroup grp = KSharedConfig::openConfig()->group("KBalanceChartDlg");
   if (grp.isValid()) {
     KWindowConfig::restoreWindowSize(windowHandle(), grp);
   }
   // let the minimum size be 700x500
   resize(QSize(700, 500).expandedTo(windowHandle() ? windowHandle()->size() : QSize()));
 
   QVBoxLayout *mainLayout = new QVBoxLayout;
   setLayout(mainLayout);
   //draw the chart and add it to the main layout
   KReportChartView* chartWidget = drawChart(account);
   mainLayout->addWidget(chartWidget);
 
   // add the buttons
   QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
   connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
   connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
   mainLayout->addWidget(buttonBox);
 }
 
 
 KBalanceChartDlg::~KBalanceChartDlg()
 {
   // store the last used dialog size
   KConfigGroup grp = KSharedConfig::openConfig()->group("KBalanceChartDlg");
   if (grp.isValid()) {
     KWindowConfig::saveWindowSize(windowHandle(), grp);
   }
 }
 
 KReportChartView* KBalanceChartDlg::drawChart(const MyMoneyAccount& account)
 {
   MyMoneyReport reportCfg = MyMoneyReport(
                               MyMoneyReport::eAssetLiability,
                               MyMoneyReport::eMonths,
                               MyMoneyTransactionFilter::last3ToNext3Months,
                               MyMoneyReport::eDetailTotal,
                               i18n("%1 Balance History", account.name()),
                               i18n("Generated Report")
                             );
   reportCfg.setChartByDefault(true);
   reportCfg.setChartCHGridLines(false);
   reportCfg.setChartSVGridLines(false);
   reportCfg.setChartDataLabels(false);
   reportCfg.setChartType(MyMoneyReport::eChartLine);
   reportCfg.setIncludingForecast(true);
   reportCfg.setIncludingBudgetActuals(true);
   if (account.accountType() == MyMoneyAccount::Investment) {
     QStringList::const_iterator it_a;
     for (it_a = account.accountList().begin(); it_a != account.accountList().end(); ++it_a)
       reportCfg.addAccount(*it_a);
   } else
     reportCfg.addAccount(account.id());
   reportCfg.setColumnsAreDays(true);
   reportCfg.setConvertCurrency(false);
   reportCfg.setMixedTime(true);
   reports::PivotTable table(reportCfg);
 
   reports::KReportChartView* chartWidget = new reports::KReportChartView(this);
 
   table.drawChart(*chartWidget);
 
   // add another row for limit
   bool needRow = false;
   bool haveMinBalance = false;
   bool haveMaxCredit = false;
   MyMoneyMoney minBalance, maxCredit;
   MyMoneyMoney factor(1, 1);
   if (account.accountGroup() == MyMoneyAccount::Asset)
     factor = -factor;
 
-  if (account.value("maxCreditEarly").length() > 0) {
+  if (!account.value("maxCreditEarly").isEmpty()) {
     needRow = true;
     haveMaxCredit = true;
     maxCredit = MyMoneyMoney(account.value("maxCreditEarly")) * factor;
   }
-  if (account.value("maxCreditAbsolute").length() > 0) {
+  if (!account.value("maxCreditAbsolute").isEmpty()) {
     needRow = true;
     haveMaxCredit = true;
     maxCredit = MyMoneyMoney(account.value("maxCreditAbsolute")) * factor;
   }
 
-  if (account.value("minBalanceEarly").length() > 0) {
+  if (!account.value("minBalanceEarly").isEmpty()) {
     needRow = true;
     haveMinBalance = true;
     minBalance = MyMoneyMoney(account.value("minBalanceEarly"));
   }
-  if (account.value("minBalanceAbsolute").length() > 0) {
+  if (!account.value("minBalanceAbsolute").isEmpty()) {
     needRow = true;
     haveMinBalance = true;
     minBalance = MyMoneyMoney(account.value("minBalanceAbsolute"));
   }
 
   if (needRow) {
     if (haveMinBalance) {
       chartWidget->drawLimitLine(minBalance.toDouble());
     }
     if (haveMaxCredit) {
       chartWidget->drawLimitLine(maxCredit.toDouble());
     }
   }
 
   // always draw the y axis zero value line
   // TODO: port to KF5 - this crashes KChart
   //chartWidget->drawLimitLine(0);
 
   //remove the legend
   chartWidget->removeLegend();
 
   return chartWidget;
 }