diff --git a/architecture/faust/gui/JuceGUI.h b/architecture/faust/gui/JuceGUI.h
index 56f21324f7..ed796de5fc 100644
--- a/architecture/faust/gui/JuceGUI.h
+++ b/architecture/faust/gui/JuceGUI.h
@@ -819,7 +819,7 @@ class uiMenu : public uiComponent, private juce::ComboBox::Listener
         void comboBoxChanged (juce::ComboBox* cb) override
         {
             // -1 because of the starting item at 1 at the initialization, and protect against out of range access.
-            modifyZone(fValues[cb->getSelectedId() - 1]);
+            modifyZone(fValues[std::max(0, cb->getSelectedId() - 1]));
         }
 
         virtual void reflectZone() override