diff --git a/data/json/items/tool/toiletries.json b/data/json/items/tool/toiletries.json
index b7bffc1a223df..d69f22c34107e 100644
--- a/data/json/items/tool/toiletries.json
+++ b/data/json/items/tool/toiletries.json
@@ -278,7 +278,7 @@
     "description": "A wooden washboard.  You can use it to wash filthy clothing if it's supplied with cleansing agent.",
     "weight": "1160 g",
     "volume": "900 ml",
-    "longest_side": "50 cm",
+    "longest_side": "40 cm",
     "price": 1000,
     "price_postapoc": 50,
     "to_hit": -1,