diff --git a/gui/include/Visualization/ColorScaleEditor.h b/gui/include/Visualization/ColorScaleEditor.h
index a0d2c7a..2569d2b 100644
--- a/gui/include/Visualization/ColorScaleEditor.h
+++ b/gui/include/Visualization/ColorScaleEditor.h
@@ -1,6 +1,7 @@
 #ifndef SCIQLOP_COLORSCALEEDITOR_H
 #define SCIQLOP_COLORSCALEEDITOR_H
 
+#include <QButtonGroup>
 #include <QDialog>
 
 namespace Ui {
@@ -19,6 +20,11 @@ public:
 
 private:
     Ui::ColorScaleEditor *ui;
+    QButtonGroup *m_ThresholdGroup;
+
+private slots:
+    /// Slot called when the threshold mode (auto or manual) changes
+    void onThresholdChanged(bool checked);
 };
 
 #endif // SCIQLOP_COLORSCALEEDITOR_H
diff --git a/gui/src/Visualization/ColorScaleEditor.cpp b/gui/src/Visualization/ColorScaleEditor.cpp
index 8009d36..2ef8043 100644
--- a/gui/src/Visualization/ColorScaleEditor.cpp
+++ b/gui/src/Visualization/ColorScaleEditor.cpp
@@ -2,12 +2,33 @@
 
 #include "ui_ColorScaleEditor.h"
 
-ColorScaleEditor::ColorScaleEditor(QWidget *parent) : QDialog{parent}, ui{new Ui::ColorScaleEditor}
+ColorScaleEditor::ColorScaleEditor(QWidget *parent)
+        : QDialog{parent}, ui{new Ui::ColorScaleEditor}, m_ThresholdGroup{new QButtonGroup{this}}
 {
     ui->setupUi(this);
+    // Creates threshold group
+    m_ThresholdGroup->addButton(ui->thresholdAutoButton);
+    m_ThresholdGroup->addButton(ui->thresholdManualButton);
+
+    // Inits connections
+    connect(ui->thresholdAutoButton, SIGNAL(toggled(bool)), this, SLOT(onThresholdChanged(bool)));
+    connect(ui->thresholdManualButton, SIGNAL(toggled(bool)), this, SLOT(onThresholdChanged(bool)));
+
+    // First update
+    onThresholdChanged(true);
 }
 
 ColorScaleEditor::~ColorScaleEditor() noexcept
 {
     delete ui;
 }
+void ColorScaleEditor::onThresholdChanged(bool checked)
+{
+    if (checked) {
+        auto isAutomatic = ui->thresholdAutoButton == m_ThresholdGroup->checkedButton();
+
+        ui->minSpinBox->setEnabled(!isAutomatic);
+        ui->maxSpinBox->setEnabled(!isAutomatic);
+    }
+}
+