diff --git a/ui/drivers/ui_win32.c b/ui/drivers/ui_win32.c
index a61e2d3c6a..f2634f1bc6 100644
--- a/ui/drivers/ui_win32.c
+++ b/ui/drivers/ui_win32.c
@@ -180,6 +180,8 @@ static void shader_dlg_params_clear(void)
 
       switch (control->type)
       {
+         case SHADER_PARAM_CTRL_NONE:
+            break;
          case SHADER_PARAM_CTRL_CHECKBOX:
             DestroyWindow(control->checkbox.hwnd);
             break;