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-rw-r--r--src/newgrf_gui.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index 6d5a78b89..54cbdd536 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -485,6 +485,9 @@ static void NewGRFWndProc(Window *w, WindowEvent *e)
break;
case WE_DESTROY:
+ if (!WP(w, newgrf_d).execute) {
+ CopyGRFConfigList(WP(w, newgrf_d).orig_list, *WP(w, newgrf_d).list);
+ }
/* Remove the temporary copy of grf-list used in window */
ClearGRFConfigList(WP(w, newgrf_d).list);
break;