diff --git a/sources/exportpropertieswidget.cpp b/sources/exportpropertieswidget.cpp
index b31dd3813..4c9d51308 100644
--- a/sources/exportpropertieswidget.cpp
+++ b/sources/exportpropertieswidget.cpp
@@ -233,12 +233,21 @@ void ExportPropertiesWidget::build()
 	connect(button_browse, &QPushButton::released, this, &ExportPropertiesWidget::slot_chooseADirectory);	
 	
 	// emission de signaux lors du changement de format et lors du changement de zone exportee
-	connect(format,                   SIGNAL(currentIndexChanged(int)),         this, SIGNAL(formatChanged()));
-	connect(exported_content_choices, SIGNAL(buttonClicked(QAbstractButton *)), this, SIGNAL(exportedAreaChanged()));
-	connect(draw_grid,                SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
-	connect(draw_border,              SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
-	connect(draw_titleblock,          SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
-	connect(draw_terminals,           SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
-	connect(draw_bg_transparent,      SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
-	connect(draw_colored_conductors,  SIGNAL(stateChanged(int)),                   this, SIGNAL(optionChanged()));
+	connect(format, qOverload<int>(&QComboBox::currentIndexChanged), this, &ExportPropertiesWidget::formatChanged);
+	connect(exported_content_choices, qOverload<QAbstractButton*>(&QButtonGroup::buttonClicked), this, &ExportPropertiesWidget::exportedAreaChanged);
+#if QT_VERSION < QT_VERSION_CHECK(6, 7, 0) // TODO Qt 6.7: remove, checkStateChanged() always available
+	connect(draw_grid, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_border, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_titleblock, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_terminals, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_bg_transparent, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_colored_conductors, &QCheckBox::stateChanged, this, &ExportPropertiesWidget::optionChanged);
+#else
+	connect(draw_grid, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_border, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_titleblock, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_terminals, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_bg_transparent, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+	connect(draw_colored_conductors, &QCheckBox::checkStateChanged, this, &ExportPropertiesWidget::optionChanged);
+#endif
 }
diff --git a/sources/titleblock/dimensionwidget.cpp b/sources/titleblock/dimensionwidget.cpp
index 62d20df56..228b9ad57 100644
--- a/sources/titleblock/dimensionwidget.cpp
+++ b/sources/titleblock/dimensionwidget.cpp
@@ -143,7 +143,7 @@ void TitleBlockDimensionWidget::initWidgets()
 		dimension_type_ -> addButton(relative_button_,  QET::RelativeToTotalLength);
 		dimension_type_ -> addButton(remaining_button_, QET::RelativeToRemainingLength);
 		absolute_button_ -> setChecked(true);
-		connect(dimension_type_, SIGNAL(buttonClicked(int)), this, SLOT(updateSpinBoxSuffix()));
+		connect(dimension_type_, qOverload<QAbstractButton*>(&QButtonGroup::buttonClicked), this, &TitleBlockDimensionWidget::updateSpinBoxSuffix);
 	}
 	
 	updateSpinBoxSuffix();