diff --git a/hub/app/controllers/canvas_api/connections_controller.rb b/hub/app/controllers/canvas_api/connections_controller.rb
index 20999315..36124eb1 100644
--- a/hub/app/controllers/canvas_api/connections_controller.rb
+++ b/hub/app/controllers/canvas_api/connections_controller.rb
@@ -8,6 +8,7 @@ def show
       repository: @repository.name_with_owner,
       repositoryId: @repository.route_id,
       canPublish: @repository.authorization.sufficient?(@repository_permission, minimum: :write),
+      viewerId: Current.user.id,
       viewerLogin: Current.user.login
     }
   end
diff --git a/hub/test/integration/canvas_repository_comments_test.rb b/hub/test/integration/canvas_repository_comments_test.rb
index db882b20..ae6e1edb 100644
--- a/hub/test/integration/canvas_repository_comments_test.rb
+++ b/hub/test/integration/canvas_repository_comments_test.rb
@@ -356,6 +356,7 @@ class CanvasRepositoryCommentsTest < ActionDispatch::IntegrationTest
       "repository" => @repository.name_with_owner,
       "repositoryId" => @repository.route_id,
       "canPublish" => false,
+      "viewerId" => @viewer.id,
       "viewerLogin" => @viewer.login
     }, JSON.parse(response.body))