diff --git a/src/luaconsole.c b/src/luaconsole.c
index b0c234d62..dac25ea8f 100644
--- a/src/luaconsole.c
+++ b/src/luaconsole.c
@@ -1011,8 +1011,8 @@ int luatpt_airheat(lua_State* l)
 int luatpt_active_menu(lua_State* l)
 {
     int menuid;
-    menuid = luaL_optint(l, 1, 0);
-    if (menuid < SC_TOTAL && menuid > 0)
+    menuid = luaL_optint(l, 1, -1);
+    if (menuid < SC_TOTAL && menuid >= 0)
         active_menu = menuid;
     else
         return luaL_error(l, "Invalid menu");