diff --git a/lib/singed.rb b/lib/singed.rb
index 31559df..f188995 100644
--- a/lib/singed.rb
+++ b/lib/singed.rb
@@ -53,4 +53,4 @@ def filter_line(line)
 
 require 'singed/kernel_ext'
 require 'singed/railtie' if defined?(Rails::Railtie)
-require 'singed/rspec' if defined?(RSpec)
+require 'singed/rspec' if defined?(RSpec) && RSpec.respond_to?(:configure)