diff --git a/packages/api/src/utils/notifications.ts b/packages/api/src/utils/notifications.ts
index 32b32cc9..e19ac367 100644
--- a/packages/api/src/utils/notifications.ts
+++ b/packages/api/src/utils/notifications.ts
@@ -53,7 +53,7 @@ export async function sendMentionEmails({
     const commenter = await userRepo.getById(db, commenterUserId);
     if (!commenter) return;
 
-    const commenterName = commenter.name ?? commenter.email;
+    const commenterName = commenter.name?.trim() || commenter.email;
 
     // Get mentioned members with full details (filtered by workspace)
     const membersWithDetails = await memberRepo.getByPublicIdsWithUsers(