gsl-shell.git - gsl-shell

diff --git a/agg-plot/window.cpp b/agg-plot/window.cpp
index 3114f430..a2a5aa27 100644
--- a/agg-plot/window.cpp
+++ b/agg-plot/window.cpp

@@ -418,9 +418,10 @@ show_window(lua_State* L, window* win)

int

window_new (lua_State *L)

{

- window *win = push_new_object<window>(L, GS_WINDOW, global_state);

const char *spec = lua_tostring (L, 1);

- int defer_show = lua_toboolean(L, 2);

+ int defer_show = (lua_gettop(L) >= 2 ? lua_toboolean(L, 2) : 0);

+

+ window *win = push_new_object<window>(L, GS_WINDOW, global_state);

if (spec)

{