diff --git a/locale/ja/aluminum.cfg b/locale/ja/aluminum.cfg
index d87aa82..1593846 100644
--- a/locale/ja/aluminum.cfg
+++ b/locale/ja/aluminum.cfg
@@ -37,6 +37,9 @@ aluminum-cable=AAACケーブル
 acsr-cable=鋼鉄で強度を増した__ITEM__aluminum_lower__導体
 spark-plug=点火装置
 
+[fluid-name]
+molten-aluminum=溶融__ITEM__aluminum_lower__
+
 [technology-name]
 aluminum-matter-processing=__ITEM__aluminum_upper__変換
 reinforced-cable=強化ケーブル