1 files changed, 1 insertions, 1 deletions
diff --git a/industry_gui.c b/industry_gui.c
index 1b210e18d..611b517d4 100644
--- a/industry_gui.c
+++ b/industry_gui.c
@@ -381,7 +381,7 @@ static void IndustryViewWndProc(Window *w, WindowEvent *e)
 					ShowQueryString(STR_CONFIG_PATCHES_INT32,
 							STR_CONFIG_GAME_PRODUCTION,
 							10, 100, w->window_class,
-							w->window_number);
+							w->window_number, CS_ALPHANUMERAL);
 				}
 			}
 		} break;