diff --git a/src/Qt-Color-Widgets/src/color_wheel.cpp b/src/Qt-Color-Widgets/src/color_wheel.cpp
index a049d29e..981e83c3 100644
--- a/src/Qt-Color-Widgets/src/color_wheel.cpp
+++ b/src/Qt-Color-Widgets/src/color_wheel.cpp
@@ -351,7 +351,9 @@ void ColorWheel::paintEvent(QPaintEvent * )
     painter.setClipping(false);
 
     // lum-sat selector
-    bool isWhite = (p->val < 0.65 || p->sat > 0.43); //0.62 || p->sat > 0.43
+    // isWhite defines when the selector is white based on values of saturation
+    // and color value combined as a union
+    bool isWhite = (p->val < 0.65 || p->sat > 0.43);
     painter.setPen(QPen(isWhite ? Qt::white : Qt::black, 3));
     painter.setBrush(Qt::NoBrush);
     painter.drawEllipse(selector_position, selector_radius, selector_radius);
diff --git a/src/capture/capturewidget.cpp b/src/capture/capturewidget.cpp
index c9b263bd..3841ceb2 100644
--- a/src/capture/capturewidget.cpp
+++ b/src/capture/capturewidget.cpp
@@ -78,7 +78,9 @@ CaptureWidget::CaptureWidget(QWidget *parent) :
     m_buttonHandler->hide();
     // init screenshot
     createCapture();
-    resize(m_screenshot->getScreenshot().size());
+    QSize size = m_screenshot->getScreenshot().size();
+    // we need to increase by 1 the size to reach to the end of the screen
+    resize(size.width()+1, size.height()+1);
     // init interface color
     QSettings settings;
     m_uiColor = settings.value("uiColor").value<QColor>();