diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1841be3fb..b01698687 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,11 @@
 You should also include the user name that made the change.
 -->
 
+## 13.1.2 (2023/01/22)
+
+### Bugfixes
+- Client: リアクションのカスタム絵文字の表示の問題を修正
+
 ## 13.1.1 (2023/01/22)
 
 ### Improvements
diff --git a/package.json b/package.json
index d30ea8eea..435ef58a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "13.1.0",
+	"version": "13.1.2",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/frontend/src/components/global/MkEmoji.vue b/packages/frontend/src/components/global/MkEmoji.vue
index aaad81c65..f16e25624 100644
--- a/packages/frontend/src/components/global/MkEmoji.vue
+++ b/packages/frontend/src/components/global/MkEmoji.vue
@@ -25,7 +25,7 @@ const props = defineProps<{
 const char2path = defaultStore.state.emojiStyle === 'twemoji' ? char2twemojiFilePath : char2fluentEmojiFilePath;
 
 const isCustom = computed(() => props.emoji.startsWith(':'));
-const customEmojiName = props.emoji.substr(1, props.emoji.length - 2);
+const customEmojiName = props.emoji.substr(1, props.emoji.length - 2).replace('@.', '');
 const char = computed(() => isCustom.value ? undefined : props.emoji);
 const useOsNativeEmojis = computed(() => defaultStore.state.emojiStyle === 'native' && !props.isReaction);
 const url = computed(() => {
@@ -35,7 +35,7 @@ const url = computed(() => {
 		const found = customEmojis.find(x => x.name === customEmojiName);
 		return found ? found.url : null;
 	} else {
-		const rawUrl = props.host ? `/emoji/${customEmojiName}@${props.host}.webp` : `/emoji/${customEmojiName}.webp`;
+		const rawUrl = `/emoji/${customEmojiName}@${props.host}.webp`;
 		return defaultStore.state.disableShowingAnimatedImages
 			? getStaticImageUrl(rawUrl)
 			: rawUrl;