diff --git a/lib/guardian/post_guardian.rb b/lib/guardian/post_guardian.rb
index 6233cb96699..6dc74106d92 100644
--- a/lib/guardian/post_guardian.rb
+++ b/lib/guardian/post_guardian.rb
@@ -55,7 +55,10 @@ module PostGuardian
     return false unless topic
 
     type_symbol = PostActionType.types[post_action_type_id]
+
     return false if type_symbol == :bookmark
+    return false if type_symbol == :notify_user && !is_moderator?
+
     return can_see_flags?(topic) if PostActionType.is_flag?(type_symbol)
 
     if type_symbol == :vote
diff --git a/spec/components/guardian_spec.rb b/spec/components/guardian_spec.rb
index ff43ead544f..c5e637f189a 100644
--- a/spec/components/guardian_spec.rb
+++ b/spec/components/guardian_spec.rb
@@ -248,6 +248,9 @@ describe Guardian do
       expect(guardian.can_see_post_actors?(topic, PostActionType.types[:off_topic])).to be_falsey
       expect(guardian.can_see_post_actors?(topic, PostActionType.types[:spam])).to be_falsey
       expect(guardian.can_see_post_actors?(topic, PostActionType.types[:vote])).to be_truthy
+      expect(guardian.can_see_post_actors?(topic, PostActionType.types[:notify_user])).to be_falsey
+
+      expect(Guardian.new(moderator).can_see_post_actors?(topic, PostActionType.types[:notify_user])).to be_truthy
     end
 
     it 'returns false for private votes' do