diff --git a/lib/audited.rb b/lib/audited.rb
index 21374858..6940e2ba 100644
--- a/lib/audited.rb
+++ b/lib/audited.rb
@@ -49,4 +49,4 @@ def config
 end
 
 require "audited/sweeper"
-require "audited/railtie"
+require "audited/railtie" if Audited.const_defined?(:Rails)