diff --git a/mods/gen/maps/challange-tank/map.png b/mods/gen/maps/challange-tank/map.png
index a97290d6..9ac4c121 100644
Binary files a/mods/gen/maps/challange-tank/map.png and b/mods/gen/maps/challange-tank/map.png differ
diff --git a/mods/gen/maps/challange-tank/map.yaml b/mods/gen/maps/challange-tank/map.yaml
index 58b7f76c..2b9f9c39 100644
--- a/mods/gen/maps/challange-tank/map.yaml
+++ b/mods/gen/maps/challange-tank/map.yaml
@@ -8,6 +8,7 @@ MapSize: 180,120
 Bounds: 23,1,156,79
 Visibility: Lobby
 Categories: Challange
+LockPreview: true
 Players:
 	PlayerReference@Neutral:
 		Name: Neutral