diff --git a/Source/Core/Windows/PreferencesForm.cs b/Source/Core/Windows/PreferencesForm.cs
index 594bcbb..f5bf57b 100644
--- a/Source/Core/Windows/PreferencesForm.cs
+++ b/Source/Core/Windows/PreferencesForm.cs
@@ -635,6 +635,8 @@ namespace CodeImp.DoomBuilder.Windows
         private void FillControlsList(Action a)
         {
 			actioncontrol.Items.Clear();
+
+			actioncontrol.Items.Add(new KeyControl(Keys.Tab, "Tab"));
 			
 			// Fill combobox with special controls
 			if(a.AllowMouse)