diff --git a/gui_qt/baseinput.cpp b/gui_qt/baseinput.cpp
index 8537160..31b2ce2 100644
--- a/gui_qt/baseinput.cpp
+++ b/gui_qt/baseinput.cpp
@@ -9,6 +9,8 @@ BaseInput::BaseInput(QWidget* form, QString label):
     _label->setWordWrap(true);
     
     _visibility_value = NULL;
+    _enabled_value = NULL;
+    
     _visible = true;
     _enabled = true;
 }
@@ -19,6 +21,12 @@ void BaseInput::setVisibilityCondition(int* value, int condition)
     _visibility_condition = condition;
 }
 
+void BaseInput::setEnabledCondition(int* value, int condition)
+{
+    _enabled_value = value;
+    _enabled_condition = condition;
+}
+
 void BaseInput::updatePreview()
 {
 }
@@ -59,7 +67,7 @@ void BaseInput::checkVisibility(bool enabled)
         }
     }
     
-    if (enabled)
+    if (enabled && (!_enabled_value || *_enabled_value == _enabled_condition))
     {
         if (not _enabled)
         {
diff --git a/gui_qt/baseinput.h b/gui_qt/baseinput.h
index 2cdf8b0..168fb8e 100644
--- a/gui_qt/baseinput.h
+++ b/gui_qt/baseinput.h
@@ -14,6 +14,7 @@ public:
     inline QWidget* preview() {return _preview;}
     inline QWidget* control() {return _control;}
     void setVisibilityCondition(int* value, int condition);
+    void setEnabledCondition(int* value, int condition);
 
 public slots:
     virtual void updatePreview();
@@ -30,6 +31,8 @@ protected:
     QWidget* _control;
     int* _visibility_value;
     int _visibility_condition;
+    int* _enabled_value;
+    int _enabled_condition;
     bool _visible;
     bool _enabled;
 };
diff --git a/gui_qt/formsky.cpp b/gui_qt/formsky.cpp
index fa6d913..1a7a16c 100644
--- a/gui_qt/formsky.cpp
+++ b/gui_qt/formsky.cpp
@@ -117,8 +117,10 @@ FormSky::FormSky(QWidget *parent):
     input->setVisibilityCondition((int*)&_definition.model, SKY_MODEL_CUSTOM);
     input = addInputColor(tr("Zenith color"), &_definition.model_custom.zenith_color);
     input->setVisibilityCondition((int*)&_definition.model, SKY_MODEL_CUSTOM);
+    input->setEnabledCondition(&_definition.model_custom.auto_from_daytime, 0);
     input = addInputColor(tr("Haze color"), &_definition.model_custom.haze_color);
     input->setVisibilityCondition((int*)&_definition.model, SKY_MODEL_CUSTOM);
+    input->setEnabledCondition(&_definition.model_custom.auto_from_daytime, 0);
     input = addInputDouble(tr("Haze height"), &_definition.model_custom.haze_height, 0.0, 1.0, 0.01, 0.1);
     input->setVisibilityCondition((int*)&_definition.model, SKY_MODEL_CUSTOM);
     input = addInputDouble(tr("Haze smoothing"), &_definition.model_custom.haze_smoothing, 0.0, 1.0, 0.01, 0.1);