diff options
| -rw-r--r-- | industry_gui.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/industry_gui.c b/industry_gui.c index 5d55ecf67..6c45678b3 100644 --- a/industry_gui.c +++ b/industry_gui.c @@ -345,7 +345,7 @@ static void IndustryViewWndProc(Window *w, WindowEvent *e) x = e->click.pt.x; line = (e->click.pt.y - 127) / 10; - if (e->click.pt.y >= 127 && IS_INT_INSIDE(line, 0, 2) && i->produced_cargo[line]) { + if (e->click.pt.y >= 127 && IS_INT_INSIDE(line, 0, 2) && i->produced_cargo[line] != CT_INVALID) { if (IS_INT_INSIDE(x, 5, 25) ) { // clicked buttons if (x < 15) { |