diff --git a/Themes/_fallback/Languages/ja.ini b/Themes/_fallback/Languages/ja.ini
index 5dd881418d..c0d175fe81 100644
--- a/Themes/_fallback/Languages/ja.ini
+++ b/Themes/_fallback/Languages/ja.ini
@@ -957,6 +957,7 @@ SuddenOffset=Sudden Offset
 SuperShuffle=Cement Mixer
 SoftShuffle=Soft Shuffle
 Swap Sides=右側と左側の入れ替え
+Swap Up/Down=上と下の入れ替え
 Sync Machine=Sync Machine
 Sync Song=Sync Song
 Sync Tempo=Sync Tempo