diff --git a/app/services/notification_service.rb b/app/services/notification_service.rb
index b5cf5cedd6b62f45c577e58f8ac59116de194aa0..58ba9150d7274d9110cf1a82c7ce72045fdd68f6 100644
--- a/app/services/notification_service.rb
+++ b/app/services/notification_service.rb
@@ -106,15 +106,15 @@ class NotificationService
 
     if note.commit_id.present?
       opts.merge!(commit_id: note.commit_id)
-      recipients = [note.commit_author]
     else
       opts.merge!(noteable_id: note.noteable_id)
-      target = note.noteable
-      if target.respond_to?(:participants)
-        recipients = target.participants
-      else
-        recipients = []
-      end
+    end
+
+    target = note.noteable
+    if target.respond_to?(:participants)
+      recipients = target.participants
+    else
+      recipients = note.mentioned_users
     end
 
     # Get users who left comment in thread
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
index 765014823038da691da41b3a1ef0f0667ed32ece..025472544368318428f91ed02a38aec504443a68 100644
--- a/spec/services/notification_service_spec.rb
+++ b/spec/services/notification_service_spec.rb
@@ -48,7 +48,7 @@ describe NotificationService do
     end
 
     context 'commit note' do
-      let(:note) { create :note_on_commit }
+      let(:note) { create(:note_on_commit) }
 
       before do
         build_team(note.project)
@@ -56,32 +56,35 @@ describe NotificationService do
 
       describe :new_note do
         it do
-          should_email(@u_watcher.id)
-          should_not_email(note.author_id)
-          should_not_email(@u_participating.id)
-          should_not_email(@u_disabled.id)
+          should_email(@u_watcher.id, note)
+          should_not_email(@u_mentioned.id, note)
+          should_not_email(note.author_id, note)
+          should_not_email(@u_participating.id, note)
+          should_not_email(@u_disabled.id, note)
           notification.new_note(note)
         end
 
         it do
-          create(:note_on_commit,
+          new_note = create(:note_on_commit,
                  author: @u_participating,
                  project_id: note.project_id,
-                 commit_id: note.commit_id)
-
-          should_email(@u_watcher.id)
-          should_email(@u_participating.id)
-          should_not_email(note.author_id)
-          should_not_email(@u_disabled.id)
-          notification.new_note(note)
+                 commit_id: note.commit_id,
+                 note: '@mention referenced')
+
+          should_email(@u_watcher.id, new_note)
+          should_email(@u_mentioned.id, new_note)
+          should_not_email(new_note.author_id, new_note)
+          should_not_email(@u_participating.id, new_note)
+          should_not_email(@u_disabled.id, new_note)
+          notification.new_note(new_note)
         end
 
-        def should_email(user_id)
-          Notify.should_receive(:note_commit_email).with(user_id, note.id)
+        def should_email(user_id, n)
+          Notify.should_receive(:note_commit_email).with(user_id, n.id)
         end
 
-        def should_not_email(user_id)
-          Notify.should_not_receive(:note_commit_email).with(user_id, note.id)
+        def should_not_email(user_id, n)
+          Notify.should_not_receive(:note_commit_email).with(user_id, n.id)
         end
       end
     end
@@ -236,7 +239,7 @@ describe NotificationService do
     @u_watcher = create(:user, notification_level: Notification::N_WATCH)
     @u_participating = create(:user, notification_level: Notification::N_PARTICIPATING)
     @u_disabled = create(:user, notification_level: Notification::N_DISABLED)
-    @u_mentioned = create(:user, username: 'mention', notification_level: Notification::N_WATCH)
+    @u_mentioned = create(:user, username: 'mention', notification_level: Notification::N_PARTICIPATING)
 
     project.team << [@u_watcher, :master]
     project.team << [@u_participating, :master]