diff --git a/data/json/construction.json b/data/json/construction.json
index e0d48cddb3767..9d4b4cec5ce33 100644
--- a/data/json/construction.json
+++ b/data/json/construction.json
@@ -1589,7 +1589,7 @@
     "required_skills": [ [ "fabrication", 2 ] ],
     "time": "50 m",
     "qualities": [ [ { "id": "HAMMER", "level": 2 } ], [ { "id": "SAW_W", "level": 2 } ] ],
-    "components": [ [ [ "2x4", 10 ], [ "wood_panel", 1 ] ], [ [ "nails", 20, "LIST" ] ] ],
+    "components": [ [ [ "2x4", 5 ] ], [ [ "wood_panel", 1 ] ], [ [ "nails", 20, "LIST" ] ] ],
     "pre_special": "check_empty",
     "post_terrain": "t_ponywall"
   },
diff --git a/data/json/furniture_and_terrain/terrain-walls.json b/data/json/furniture_and_terrain/terrain-walls.json
index c95526382fa35..5c926f8c5d69d 100644
--- a/data/json/furniture_and_terrain/terrain-walls.json
+++ b/data/json/furniture_and_terrain/terrain-walls.json
@@ -87,7 +87,7 @@
     "connects_to": "WALL",
     "roof": "t_flat_roof",
     "flags": [ "TRANSPARENT", "FLAMMABLE", "PLACE_ITEM", "INDOORS", "AUTO_WALL_SYMBOL", "THIN_OBSTACLE", "MOUNTABLE", "SHORT" ],
-    "deconstruct": { "ter_set": "t_floor", "items": [ { "item": "2x4", "count": 10 }, { "item": "nail", "charges": 20 } ] },
+    "deconstruct": { "ter_set": "t_floor", "items": [ { "item": "2x4", "count": 5 }, { "item": "nail", "charges": 20 } ] },
     "bash": {
       "str_min": 8,
       "str_max": 20,