diff --git a/widgets/textbox.c b/widgets/textbox.c
index 69884e3d7..a734a2f42 100644
--- a/widgets/textbox.c
+++ b/widgets/textbox.c
@@ -150,7 +150,7 @@ luaA_textbox_margin(lua_State *L)
 
     if(lua_gettop(L) == 2)
     {
-        d->margin = luaA_getopt_padding(L, 3, &d->margin);
+        d->margin = luaA_getopt_padding(L, 2, &d->margin);
         widget_invalidate_bywidget(widget);
     }