diff --git a/src/shared/services/mention.ts b/src/shared/services/mention.ts
index 330fb52..dfb0aac 100644
--- a/src/shared/services/mention.ts
+++ b/src/shared/services/mention.ts
@@ -18,7 +18,7 @@ export class MentionService {
       const chunkIdx = membersChunks.indexOf(memberChunk)
 
       const message = format`
-        ${bold('Mass mention by')} ${bold(mention('user', { id: caller.id, is_bot: caller.isBot(), first_name: caller.firstName }))} ${chunkIdx > 0 ? italic(`[${chunkIdx + 1}/${membersChunks.length}]`) : ''}
+        ${bold('Mass mention by')} ${bold(mention('user', { id: caller.id, is_bot: caller.isBot(), first_name: caller.firstName }))} ${membersChunks.length > 1 ? italic(`[${chunkIdx + 1}/${membersChunks.length}]`) : ''}
 
         ${join(this.buildMentions(memberChunk), entity => entity, ' ')}
       `