diff --git a/lib/guardian/group_guardian.rb b/lib/guardian/group_guardian.rb
index 7246f6c5e17..7aa0f9ebfcc 100644
--- a/lib/guardian/group_guardian.rb
+++ b/lib/guardian/group_guardian.rb
@@ -35,6 +35,7 @@ module GroupGuardian
 
   def can_see_group_messages?(group)
     return true if is_admin?
+    return true if is_moderator? && group.id == Group::AUTO_GROUPS[:moderators]
 
     SiteSetting.enable_personal_messages? && group.users.include?(user)
   end
diff --git a/spec/requests/list_controller_spec.rb b/spec/requests/list_controller_spec.rb
index 1bcab4542d7..954765e46fc 100644
--- a/spec/requests/list_controller_spec.rb
+++ b/spec/requests/list_controller_spec.rb
@@ -197,6 +197,17 @@ RSpec.describe ListController do
           .to eq(topic.id)
       end
 
+      it 'should display moderator group private messages for a moderator' do
+        moderator = Fabricate(:moderator)
+        group = Group.find(Group::AUTO_GROUPS[:moderators])
+        topic = Fabricate(:private_message_topic, allowed_groups: [group])
+
+        sign_in(moderator)
+
+        get "/topics/private-messages-group/#{moderator.username}/#{group.name}.json"
+        expect(response.status).to eq(200)
+      end
+
       it "should not display group private messages for a moderator's group" do
         moderator = Fabricate(:moderator)
         sign_in(moderator)