diff --git a/mastodon/src/main/res/values-ja-rJP/strings.xml b/mastodon/src/main/res/values-ja-rJP/strings.xml
index 8c461ff8..40a37bdc 100644
--- a/mastodon/src/main/res/values-ja-rJP/strings.xml
+++ b/mastodon/src/main/res/values-ja-rJP/strings.xml
@@ -313,4 +313,5 @@
 	<plurals name="x_reblogs">
 		<item quantity="other">%,d ブースト</item>
 	</plurals>
+	<string name="timestamp_via_app">%1$sに%2$s経由</string>
 </resources>