diff --git a/lang/calamares_ja.ts b/lang/calamares_ja.ts
index cd7ea6f79..661693e4a 100644
--- a/lang/calamares_ja.ts
+++ b/lang/calamares_ja.ts
@@ -198,7 +198,7 @@ p, li { white-space: pre-wrap; }
     <message>
         <location filename="../src/libcalamaresui/ExecutionViewStep.cpp" line="77"/>
         <source>Install</source>
-        <translation type="unfinished"/>
+        <translation>インストール</translation>
     </message>
 </context>
 <context>
@@ -965,7 +965,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/finished/FinishedViewStep.cpp" line="43"/>
         <source>Finish</source>
-        <translation type="unfinished"/>
+        <translation>終了</translation>
     </message>
 </context>
 <context>
@@ -1018,19 +1018,19 @@ The installer will quit and all changes will be lost.</source>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="84"/>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="96"/>
         <source>Konsole not installed</source>
-        <translation type="unfinished"/>
+        <translation>Konsoleがインストールされていません</translation>
     </message>
     <message>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="70"/>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="85"/>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="97"/>
         <source>Please install the kde konsole and try again!</source>
-        <translation type="unfinished"/>
+        <translation>kde konsoleをインストールして、再度トライしてください!</translation>
     </message>
     <message>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalPage.cpp" line="122"/>
         <source>Executing script: &amp;nbsp;&lt;code&gt;%1&lt;/code&gt;</source>
-        <translation type="unfinished"/>
+        <translation>スクリプトの実行: &amp;nbsp;&lt;code&gt;%1&lt;/code&gt;</translation>
     </message>
 </context>
 <context>
@@ -1038,7 +1038,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/interactiveterminal/InteractiveTerminalViewStep.cpp" line="45"/>
         <source>Script</source>
-        <translation type="unfinished"/>
+        <translation>スクリプト</translation>
     </message>
 </context>
 <context>
@@ -1080,7 +1080,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/license/LicensePage.ui" line="14"/>
         <source>Form</source>
-        <translation type="unfinished"/>
+        <translation>フォーム</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="88"/>
@@ -1111,38 +1111,38 @@ The installer will quit and all changes will be lost.</source>
         <location filename="../src/modules/license/LicensePage.cpp" line="159"/>
         <source>&lt;strong&gt;%1 driver&lt;/strong&gt;&lt;br/&gt;by %2</source>
         <extracomment>%1 is an untranslatable product name, example: Creative Audigy driver</extracomment>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1 ドライバー&lt;/strong&gt;&lt;br/&gt;by %2</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="165"/>
         <source>&lt;strong&gt;%1 graphics driver&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</source>
         <extracomment>%1 is usually a vendor name, example: Nvidia graphics driver</extracomment>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1 グラフィックドライバー&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="171"/>
         <source>&lt;strong&gt;%1 browser plugin&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1 ブラウザプラグイン&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="177"/>
         <source>&lt;strong&gt;%1 codec&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1 codec&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="183"/>
         <source>&lt;strong&gt;%1 package&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1 パッケージ&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="189"/>
         <source>&lt;strong&gt;%1&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;%1&lt;/strong&gt;&lt;br/&gt;&lt;font color=&quot;Grey&quot;&gt;by %2&lt;/font&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/license/LicensePage.cpp" line="201"/>
         <source>&lt;a href=&quot;%1&quot;&gt;view license agreement&lt;/a&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;a href=&quot;%1&quot;&gt;ライセンスへの同意&lt;/a&gt;</translation>
     </message>
 </context>
 <context>
@@ -1150,7 +1150,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/license/LicenseViewStep.cpp" line="51"/>
         <source>License</source>
-        <translation type="unfinished"/>
+        <translation>ライセンス</translation>
     </message>
 </context>
 <context>
@@ -1806,12 +1806,12 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/locale/SetTimezoneJob.cpp" line="89"/>
         <source>Cannot set timezone,</source>
-        <translation type="unfinished"/>
+        <translation>タイムゾーンを設定できません,</translation>
     </message>
     <message>
         <location filename="../src/modules/locale/SetTimezoneJob.cpp" line="90"/>
         <source>Cannot open /etc/timezone for writing</source>
-        <translation type="unfinished"/>
+        <translation>/etc/timezone を開くことができません</translation>
     </message>
 </context>
 <context>