diff --git a/src/client/app/common/views/components/emoji.vue b/src/client/app/common/views/components/emoji.vue
index a02d7b3f2..106abecc7 100644
--- a/src/client/app/common/views/components/emoji.vue
+++ b/src/client/app/common/views/components/emoji.vue
@@ -35,7 +35,7 @@ export default Vue.extend({
 
 	computed: {
 		alt(): string {
-			return this.customEmoji ? this.customEmoji.name : this.char;
+			return this.customEmoji ? `:${this.customEmoji.name}:` : this.char;
 		},
 
 		useOsDefaultEmojis(): boolean {