diff --git a/parts/language/dict_jp.lua b/parts/language/dict_ja.lua
similarity index 100%
rename from parts/language/dict_jp.lua
rename to parts/language/dict_ja.lua
diff --git a/parts/language/manual_en.txt b/parts/language/manual_en.txt
index 1350e9d2..d673e248 100644
--- a/parts/language/manual_en.txt
+++ b/parts/language/manual_en.txt
@@ -88,4 +88,4 @@ Custom mode:
                 empty cells can be in any state;
                 regular colored cells have to be made of the corresponding block;
                 garbage-colored cells can be any block but not air.
-        Once you make the shape, you will win.
\ No newline at end of file
+        Once you make the shape, you will win.
diff --git a/parts/language/manual_jp.txt b/parts/language/manual_ja.txt
similarity index 100%
rename from parts/language/manual_jp.txt
rename to parts/language/manual_ja.txt
diff --git a/parts/scenes/dict.lua b/parts/scenes/dict.lua
index 7818af64..8f9c3521 100644
--- a/parts/scenes/dict.lua
+++ b/parts/scenes/dict.lua
@@ -76,7 +76,7 @@ local function _search()
 end
 
 function scene.sceneInit()
-    dict=require("parts.language.dict_"..(SETTING.locale:find'zh'and'zh'or'en'))
+    dict=require("parts.language.dict_"..(SETTING.locale:find'zh'and'zh'or SETTING.locale:find'ja'and'ja'or'en'))
     _scanDict(dict)
 
     inputBox:clear()