diff --git a/app/controllers/api/github_webhooks_controller.rb b/app/controllers/api/github_webhooks_controller.rb
index f06c0b7..e3e7dbd 100644
--- a/app/controllers/api/github_webhooks_controller.rb
+++ b/app/controllers/api/github_webhooks_controller.rb
@@ -9,8 +9,7 @@ def checks
       repository = Repository.find_by(github_id: repository_params[:id])
       return render(json: { error: 'not_found' }, status: :not_found) if repository.blank?
 
-      last_check = repository.checks.last
-      return render(json: { error: 'conflict' }, status: :conflict) if last_check.present? && (last_check.created? || last_check.in_process?)
+      return render(json: { error: 'conflict' }, status: :conflict) if repository.being_checked?
 
       CheckRepositoryJob.perform_async(repository.id)
       render json: { message: 'created' }, status: :ok
diff --git a/app/models/repository.rb b/app/models/repository.rb
index c3c1adf..75b94c0 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -48,4 +48,8 @@ def check_enabled?
   def check_disabled?
     !check_enabled?
   end
+
+  def being_checked?
+    checks.last.present? && (checks.last.created? || checks.last.in_process?)
+  end
 end