diff --git a/src/plugins/MouseGestures/translations/ja_JP.ts b/src/plugins/MouseGestures/translations/ja_JP.ts
index 5f8fd9246..5fa491488 100644
--- a/src/plugins/MouseGestures/translations/ja_JP.ts
+++ b/src/plugins/MouseGestures/translations/ja_JP.ts
@@ -41,12 +41,12 @@
     <message>
         <location filename="../mousegesturessettingsdialog.ui" line="194"/>
         <source>&lt;b&gt;Previous tab&lt;/b&gt;&lt;br/&gt;Switch to previous tab</source>
-        <translation type="unfinished"></translation>
+        <translation>&lt;b&gt;前のタブ&lt;/b&gt;&lt;br/&gt;前のタブへ切り替えます</translation>
     </message>
     <message>
         <location filename="../mousegesturessettingsdialog.ui" line="222"/>
         <source>&lt;b&gt;Next tab&lt;/b&gt;&lt;br/&gt;Switch to next tab</source>
-        <translation type="unfinished"></translation>
+        <translation>&lt;b&gt;次のタブ&lt;/b&gt;&lt;br/&gt;次のタブへ切り替えます</translation>
     </message>
     <message>
         <location filename="../mousegesturessettingsdialog.ui" line="159"/>