diff --git a/locales/en.yml b/locales/en.yml
index b8bab12c3a..e2b6d8a69d 100644
--- a/locales/en.yml
+++ b/locales/en.yml
@@ -926,6 +926,13 @@ mobile/views/pages/followers.vue:
   followers-of: "Followers of {}"
 mobile/views/pages/signup.vue:
   lets-start: "Let's start! 📦"
+mobile/views/pages/tag.vue:
+  no-posts-found-japanese: ""
+  no-posts-found-english: "No posts were found for "
+  left-quote: "\""
+  right-quote: "\"."
+mobile/views/pages/welcome.vue:
+  signup: "Sign up."
 mobile/views/pages/following.vue:
   following-of: "Following of {}"
 mobile/views/pages/home.vue:
diff --git a/locales/ja.yml b/locales/ja.yml
index 5b4468352d..a55941eaa7 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -1084,6 +1084,15 @@ mobile/views/pages/home.vue:
   hybrid: "ソーシャル"
   global: "グローバル"
 
+mobile/views/pages/tag.vue:
+  no-posts-found-japanese: "に関する投稿は見つかりませんでした。"
+  no-posts-found-english: ""
+  left-quote: "「"
+  right-quote: "」"
+  
+mobile/views/pages/welcome.vue:
+  signup: "新規登録"
+
 mobile/views/pages/messaging.vue:
   messaging: "メッセージ"
 
diff --git a/src/client/app/mobile/views/pages/tag.vue b/src/client/app/mobile/views/pages/tag.vue
index b4c993e667..c94fcec7da 100644
--- a/src/client/app/mobile/views/pages/tag.vue
+++ b/src/client/app/mobile/views/pages/tag.vue
@@ -3,7 +3,7 @@
 	<span slot="header">%fa:hashtag%{{ $route.params.tag }}</span>
 
 	<main>
-		<p v-if="!fetching && empty">%fa:search%「{{ q }}」に関する投稿は見つかりませんでした。</p>
+		<p v-if="!fetching && empty">%fa:search%%i18n:@no-posts-found-english%%i18n:@left-quote%{{ q }}%i18n:@right-quote%%i18n:@no-posts-found-japanese%</p>
 		<mk-notes ref="timeline" :more="existMore ? more : null"/>
 	</main>
 </mk-ui>