diff --git a/lang/calamares_ja.ts b/lang/calamares_ja.ts
index 4178bb973..d0e60397e 100644
--- a/lang/calamares_ja.ts
+++ b/lang/calamares_ja.ts
@@ -490,7 +490,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="107"/>
         <source>Select storage de&amp;vice:</source>
-        <translation type="unfinished"/>
+        <translation>ストレージデバイスを選択(&amp;V):</translation>
     </message>
     <message>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="108"/>
@@ -498,17 +498,17 @@ The installer will quit and all changes will be lost.</source>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="762"/>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="797"/>
         <source>Current:</source>
-        <translation type="unfinished"/>
+        <translation>現在:</translation>
     </message>
     <message>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="723"/>
         <source>&lt;strong&gt;Select a partition to shrink, then drag the bottom bar to resize&lt;/strong&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;縮小するパーティションを選択し、その下にあるバーをドラッグしてサイズを変更して下さい&lt;/strong&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="788"/>
         <source>&lt;strong&gt;Select a partition to install on&lt;/strong&gt;</source>
-        <translation type="unfinished"/>
+        <translation>&lt;strong&gt;選択したインストールパーティション&lt;/strong&gt;</translation>
     </message>
     <message>
         <location filename="../src/modules/partition/gui/ChoicePage.cpp" line="840"/>
@@ -1567,7 +1567,7 @@ The installer will quit and all changes will be lost.</source>
     <message>
         <location filename="../src/modules/partition/gui/PartitionViewStep.cpp" line="221"/>
         <source>Current:</source>
-        <translation type="unfinished"/>
+        <translation>現在:</translation>
     </message>
     <message>
         <location filename="../src/modules/partition/gui/PartitionViewStep.cpp" line="235"/>