diff --git a/src/app/core/vapplication.cpp b/src/app/core/vapplication.cpp
index 34b5f0ad7..fc4256c2c 100644
--- a/src/app/core/vapplication.cpp
+++ b/src/app/core/vapplication.cpp
@@ -35,7 +35,6 @@
 #include "vmaingraphicsview.h"
 #include "../container/calculator.h"
 #include "../version.h"
-#include "vsettings.h"
 
 #include <QDebug>
 #include <QDir>
diff --git a/src/app/core/vapplication.h b/src/app/core/vapplication.h
index b3e944d05..25f44bf36 100644
--- a/src/app/core/vapplication.h
+++ b/src/app/core/vapplication.h
@@ -33,6 +33,7 @@
 #include "../options.h"
 #include "../widgets/vmaingraphicsview.h"
 #include "../../libs/qmuparser/qmutranslation.h"
+#include "vsettings.h"
 
 class VApplication;// used in define
 class QUndoStack;
@@ -40,7 +41,6 @@ class VMainGraphicsView;
 class VMainGraphicsScene;
 class VPattern;
 class QFile;
-class VSettings;
 class QLockFile;
 
 #if defined(qApp)
diff --git a/src/app/dialogs/app/configdialog.cpp b/src/app/dialogs/app/configdialog.cpp
index c210cdf12..181b2006a 100644
--- a/src/app/dialogs/app/configdialog.cpp
+++ b/src/app/dialogs/app/configdialog.cpp
@@ -33,6 +33,7 @@
 #include <QVBoxLayout>
 #include <QStackedWidget>
 #include <QCloseEvent>
+#include "../core/vapplication.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 ConfigDialog::ConfigDialog(QWidget *parent) :
@@ -93,6 +94,7 @@ ConfigDialog::ConfigDialog(QWidget *parent) :
 
     this->setFixedSize(QSize(750, 550));
     this->setWindowFlags(Qt::Tool | Qt::WindowTitleHint | Qt::WindowCloseButtonHint | Qt::CustomizeWindowHint);
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -156,6 +158,7 @@ void ConfigDialog::Apply()
         default:
             break;
     }
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
     emit UpdateProperties();
     setResult(QDialog::Accepted);
 }
diff --git a/src/app/dialogs/app/dialogaboutapp.cpp b/src/app/dialogs/app/dialogaboutapp.cpp
index 1961177c9..11d8ec5dc 100644
--- a/src/app/dialogs/app/dialogaboutapp.cpp
+++ b/src/app/dialogs/app/dialogaboutapp.cpp
@@ -33,6 +33,7 @@
 #include <QDesktopServices>
 #include <QMessageBox>
 #include "../../options.h"
+#include "../core/vapplication.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 DialogAboutApp::DialogAboutApp(QWidget *parent) :
@@ -41,6 +42,8 @@ DialogAboutApp::DialogAboutApp(QWidget *parent) :
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     ui->label_Valentina_Version->setText(QString("Valentina %1").arg(APP_VERSION));
     ui->labelBuildRevision->setText(QString("Build revision: %1").arg(BUILD_REVISION));
     ui->label_QT_Version->setText(buildCompatibilityString());
diff --git a/src/app/dialogs/app/dialoghistory.cpp b/src/app/dialogs/app/dialoghistory.cpp
index 6e70e1b97..b284365ad 100644
--- a/src/app/dialogs/app/dialoghistory.cpp
+++ b/src/app/dialogs/app/dialoghistory.cpp
@@ -49,6 +49,9 @@ DialogHistory::DialogHistory(VContainer *data, VPattern *doc, QWidget *parent)
     cursorToolRecordRow(0)
 {
     ui->setupUi(this);
+
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     bOk = ui->buttonBox->button(QDialogButtonBox::Ok);
     connect(bOk, &QPushButton::clicked, this, &DialogHistory::DialogAccepted);
     FillTable();
diff --git a/src/app/dialogs/app/dialogincrements.cpp b/src/app/dialogs/app/dialogincrements.cpp
index 62f5d47fb..809bbce06 100644
--- a/src/app/dialogs/app/dialogincrements.cpp
+++ b/src/app/dialogs/app/dialogincrements.cpp
@@ -55,6 +55,8 @@ DialogIncrements::DialogIncrements(VContainer *data, VPattern *doc, QWidget *par
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     qCDebug(vDialog)<<"Showing variables.";
     if (qApp->patternType() == MeasurementsType::Individual)
     {
diff --git a/src/app/dialogs/app/dialogindividualmeasurements.cpp b/src/app/dialogs/app/dialogindividualmeasurements.cpp
index 8fedf9f43..f85925557 100644
--- a/src/app/dialogs/app/dialogindividualmeasurements.cpp
+++ b/src/app/dialogs/app/dialogindividualmeasurements.cpp
@@ -47,6 +47,8 @@ DialogIndividualMeasurements::DialogIndividualMeasurements(VContainer *data, con
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     QRect position = this->frameGeometry();
     position.moveCenter(QDesktopWidget().availableGeometry().center());
     move(position.topLeft());
diff --git a/src/app/dialogs/app/dialoglayoutprogress.cpp b/src/app/dialogs/app/dialoglayoutprogress.cpp
index d7d5fb620..7244cdbb5 100644
--- a/src/app/dialogs/app/dialoglayoutprogress.cpp
+++ b/src/app/dialogs/app/dialoglayoutprogress.cpp
@@ -29,6 +29,7 @@
 #include "dialoglayoutprogress.h"
 #include "ui_dialoglayoutprogress.h"
 #include "../options.h"
+#include "../core/vapplication.h"
 
 #include <QMessageBox>
 #include <QPushButton>
@@ -38,6 +39,9 @@ DialogLayoutProgress::DialogLayoutProgress(int count, QWidget *parent)
     :QDialog(parent), ui(new Ui::DialogLayoutProgress)
 {
     ui->setupUi(this);
+
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     ui->progressBar->setMaximum(count);
     ui->progressBar->setValue(0);
 
diff --git a/src/app/dialogs/app/dialoglayoutsettings.cpp b/src/app/dialogs/app/dialoglayoutsettings.cpp
index a96b4a30f..2d81b2d33 100644
--- a/src/app/dialogs/app/dialoglayoutsettings.cpp
+++ b/src/app/dialogs/app/dialoglayoutsettings.cpp
@@ -42,6 +42,9 @@ DialogLayoutSettings::DialogLayoutSettings(QWidget *parent)
     : QDialog(parent), ui(new Ui::DialogLayoutSettings), oldPaperUnit(Unit::Mm), oldLayoutUnit(Unit::Mm)
 {
     ui->setupUi(this);
+
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     InitPaperUnits();
     InitLayoutUnits();
     InitTemplates();
diff --git a/src/app/dialogs/app/dialogmeasurements.cpp b/src/app/dialogs/app/dialogmeasurements.cpp
index af84fc440..f58ed626f 100644
--- a/src/app/dialogs/app/dialogmeasurements.cpp
+++ b/src/app/dialogs/app/dialogmeasurements.cpp
@@ -28,12 +28,16 @@
 
 #include "dialogmeasurements.h"
 #include "ui_dialogmeasurements.h"
+#include "../core/vapplication.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 DialogMeasurements::DialogMeasurements(QWidget *parent) :
     QDialog(parent), ui(new Ui::DialogMeasurements), result(MeasurementsType::Individual)
 {
     ui->setupUi(this);
+
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     connect(ui->toolButtonStandard, &QToolButton::clicked, this, &DialogMeasurements::StandardMeasurements);
     connect(ui->toolButtonIndividual, &QToolButton::clicked, this, &DialogMeasurements::IndividualMeasurements);
 }
diff --git a/src/app/dialogs/app/dialogpatternproperties.cpp b/src/app/dialogs/app/dialogpatternproperties.cpp
index 51e68a418..3229aceda 100644
--- a/src/app/dialogs/app/dialogpatternproperties.cpp
+++ b/src/app/dialogs/app/dialogpatternproperties.cpp
@@ -45,6 +45,8 @@ DialogPatternProperties::DialogPatternProperties(VPattern *doc, QWidget *parent)
 
     SCASSERT(doc != nullptr);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     ui->lineEditAuthor->setText(doc->GetAuthor());
     connect(ui->lineEditAuthor, &QLineEdit::editingFinished, this, &DialogPatternProperties::DescEdited);
 
diff --git a/src/app/dialogs/app/dialogpatternxmledit.cpp b/src/app/dialogs/app/dialogpatternxmledit.cpp
index 6339ff47c..2e4701137 100644
--- a/src/app/dialogs/app/dialogpatternxmledit.cpp
+++ b/src/app/dialogs/app/dialogpatternxmledit.cpp
@@ -28,6 +28,7 @@
 
 #include "dialogpatternxmledit.h"
 #include "ui_dialogpatternxmledit.h"
+#include "../core/vapplication.h"
 
 #include <QInputDialog>
 #include <QMessageBox>
@@ -36,7 +37,6 @@ const short int DialogPatternXmlEdit::ChangeTypeDelete=1;
 const short int DialogPatternXmlEdit::ChangeTypeAdd=2;
 const short int DialogPatternXmlEdit::ChangeTypeModify=3;
 
-
 //---------------------------------------------------------------------------------------------------------------------
 DialogPatternXmlEdit::DialogPatternXmlEdit(QWidget *parent, VPattern *xmldoc)
     :QDialog(parent), treeChange(false), currentNodeEdited(nullptr), currentNodeEditedStatus(0),
@@ -46,6 +46,8 @@ DialogPatternXmlEdit::DialogPatternXmlEdit(QWidget *parent, VPattern *xmldoc)
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     this->xmlmodel = new VXMLTreeView();
     this->doc=xmldoc;
     this->root = this->doc->documentElement();
diff --git a/src/app/dialogs/app/dialogsavelayout.cpp b/src/app/dialogs/app/dialogsavelayout.cpp
index 3a427a76b..94b3c55ab 100644
--- a/src/app/dialogs/app/dialogsavelayout.cpp
+++ b/src/app/dialogs/app/dialogsavelayout.cpp
@@ -43,6 +43,8 @@ DialogSaveLayout::DialogSaveLayout(const QMap<QString, QString> &formates, int c
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     QPushButton *bOk = ui->buttonBox->button(QDialogButtonBox::Ok);
     SCASSERT(bOk != nullptr);
     bOk->setEnabled(false);
diff --git a/src/app/dialogs/app/dialogstandardmeasurements.cpp b/src/app/dialogs/app/dialogstandardmeasurements.cpp
index f3a8fc4f1..5b4bc433b 100644
--- a/src/app/dialogs/app/dialogstandardmeasurements.cpp
+++ b/src/app/dialogs/app/dialogstandardmeasurements.cpp
@@ -46,6 +46,8 @@ DialogStandardMeasurements::DialogStandardMeasurements(VContainer *data, const Q
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     QRect position = this->frameGeometry();
     position.moveCenter(QDesktopWidget().availableGeometry().center());
     move(position.topLeft());
diff --git a/src/app/dialogs/app/dialogundo.cpp b/src/app/dialogs/app/dialogundo.cpp
index 705adee55..a26fff415 100644
--- a/src/app/dialogs/app/dialogundo.cpp
+++ b/src/app/dialogs/app/dialogundo.cpp
@@ -39,6 +39,8 @@ DialogUndo::DialogUndo(QWidget *parent)
 {
     ui->setupUi(this);
 
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     bool opening = qApp->getOpeningPattern();
     if (opening)
     {
diff --git a/src/app/dialogs/tools/dialogtool.cpp b/src/app/dialogs/tools/dialogtool.cpp
index 4605dff65..043c49042 100644
--- a/src/app/dialogs/tools/dialogtool.cpp
+++ b/src/app/dialogs/tools/dialogtool.cpp
@@ -34,8 +34,6 @@
 #include "../../geometry/vsplinepath.h"
 #include "../../tools/vabstracttool.h"
 #include "../../../libs/qmuparser/qmuparsererror.h"
-#include "../../core/vapplication.h"
-#include "../../core/vsettings.h"
 #include "../../libs/ifc/xml/vdomdocument.h"
 #include <QTimer>
 #include <QCloseEvent>
diff --git a/src/app/dialogs/tools/dialogtool.h b/src/app/dialogs/tools/dialogtool.h
index 8cd7cece1..191195b6d 100644
--- a/src/app/dialogs/tools/dialogtool.h
+++ b/src/app/dialogs/tools/dialogtool.h
@@ -321,6 +321,8 @@ protected:
         QPushButton *bCancel = ui->buttonBox->button(QDialogButtonBox::Cancel);
         SCASSERT(bCancel != nullptr);
         connect(bCancel, &QPushButton::clicked, this, &DialogTool::DialogRejected);
+
+        qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
     }
     template <typename T>
     /**
diff --git a/src/app/mainwindow.cpp b/src/app/mainwindow.cpp
index 56b43ca2b..b06ca4732 100644
--- a/src/app/mainwindow.cpp
+++ b/src/app/mainwindow.cpp
@@ -84,6 +84,7 @@ MainWindow::MainWindow(QWidget *parent)
         recentFileActs[i] = nullptr;
     }
 
+    WindowsLocale();
     CreateActions();
     CreateMenus();
     ToolBarDraws();
@@ -1403,6 +1404,7 @@ void MainWindow::Preferences()
 {
     ConfigDialog dlg(this);
     connect(&dlg, &ConfigDialog::UpdateProperties, toolOptions, &VToolOptionsPropertyBrowser::UpdateOptions);
+    connect(&dlg, &ConfigDialog::UpdateProperties, this, &MainWindow::WindowsLocale);
     if (dlg.exec() == QDialog::Accepted)
     {
         InitAutoSave();
@@ -2474,6 +2476,12 @@ QStringList MainWindow::GetUnlokedRestoreFileList() const
     return restoreFiles;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void MainWindow::WindowsLocale()
+{
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::ReopenFilesAfterCrash(QStringList &args)
 {
diff --git a/src/app/mainwindow.h b/src/app/mainwindow.h
index 3e1a2c210..8cb40ce60 100644
--- a/src/app/mainwindow.h
+++ b/src/app/mainwindow.h
@@ -130,6 +130,7 @@ public slots:
     void               Layout();
     void               UpdateGradation();
     void               GlobalChangePP(const QString &patternPiece);
+    void               WindowsLocale();
 signals:
     /**
      * @brief ModelChosen emit after calculation all details.
diff --git a/src/app/tablewindow.cpp b/src/app/tablewindow.cpp
index 30649add5..c2fa61c10 100644
--- a/src/app/tablewindow.cpp
+++ b/src/app/tablewindow.cpp
@@ -60,6 +60,9 @@ TableWindow::TableWindow(QWidget *parent)
     description(QString()), tempScene(nullptr)
 {
     ui->setupUi(this);
+
+    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
+
     tempScene = new QGraphicsScene(QRectF(0, 0, qApp->toPixel(823, Unit::Mm), qApp->toPixel(1171, Unit::Mm)));
     QBrush brush;
     brush.setStyle( Qt::SolidPattern );