diff --git a/data/json/mapgen/s_lightindustry.json b/data/json/mapgen/s_lightindustry.json
index 377087da42600..3902a7533442b 100644
--- a/data/json/mapgen/s_lightindustry.json
+++ b/data/json/mapgen/s_lightindustry.json
@@ -127,7 +127,7 @@
         ":": "t_wall_glass",
         ")": "t_door_glass_c",
         "+": "t_door_c",
-        "b": [ [ "t_door_metal_locked", 2 ], "t_door_metal_elocked" ],
+        "b": "t_door_metal_locked",
         "c": "t_gates_mech_control",
         "d": "t_chainfence_h",
         "&": "t_chaingate_l",