1 files changed, 5 insertions, 0 deletions
diff --git a/src/game_data.cpp b/src/game_data.cpp
index de47ba4..7c9564b 100644
--- a/src/game_data.cpp
+++ b/src/game_data.cpp

@@ -783,6 +783,11 @@ const SubwayItem &GD_GetSubwayItem(int id) {
 }
 int GD_GetSubwayItemForPainting(const std::string& painting_id) {
+#ifndef NDEBUG
+  if (!GetState().subway_item_by_painting_.count(painting_id)) {
+    wxLogError("No subway item for painting %s", painting_id);
+  }
+#endif
  return GetState().subway_item_by_painting_.at(painting_id);
 }