diff --git a/src/client/app/common/views/components/autocomplete.vue b/src/client/app/common/views/components/autocomplete.vue
index d46d536659..ea91655b2f 100644
--- a/src/client/app/common/views/components/autocomplete.vue
+++ b/src/client/app/common/views/components/autocomplete.vue
@@ -172,7 +172,7 @@ export default Vue.extend({
 				const matched = [];
 				const max = 30;
 
-				const customEmojis = (this.os.getMetaSync() || { emojis: [] }).emojis;
+				const customEmojis = (this.os.getMetaSync() || { emojis: [] }).emojis || [];
 				customEmojis.some(x => {
 					if (x.name.startsWith(this.q)) matched.push({
 						name: x.name,
diff --git a/src/client/app/common/views/components/misskey-flavored-markdown.ts b/src/client/app/common/views/components/misskey-flavored-markdown.ts
index c45bb1022e..6397767cec 100644
--- a/src/client/app/common/views/components/misskey-flavored-markdown.ts
+++ b/src/client/app/common/views/components/misskey-flavored-markdown.ts
@@ -186,7 +186,7 @@ export default Vue.component('misskey-flavored-markdown', {
 
 				case 'emoji': {
 					//#region カスタム絵文字
-					const customEmojis = (this.os.getMetaSync() || { emojis: [] }).emojis;
+					const customEmojis = (this.os.getMetaSync() || { emojis: [] }).emojis || [];
 					const customEmoji = customEmojis.find(e => e.name == token.emoji || (e.aliases || []).includes(token.emoji));
 					if (customEmoji) {
 						return [createElement('img', {