diff --git a/app/Settings.cs b/app/Settings.cs
index 8da83d5a..dd77ecd3 100644
--- a/app/Settings.cs
+++ b/app/Settings.cs
@@ -346,6 +346,9 @@ namespace GHelper
 
         public void CycleVisualMode()
         {
+
+            if (comboVisual.Items.Count < 1) return ;
+
             if (comboVisual.SelectedIndex < comboVisual.Items.Count - 1)
                 comboVisual.SelectedIndex += 1;
             else