diff --git a/lib/motion/project/builder.rb b/lib/motion/project/builder.rb
index cdc93832..df635844 100644
--- a/lib/motion/project/builder.rb
+++ b/lib/motion/project/builder.rb
@@ -589,7 +589,8 @@ PLIST
     begin
       require 'ripper'
     rescue LoadError
-      require 'ripper18/ripper'
+      $:.unshift(File.expand_path(File.join(File.dirname(__FILE__), '../../ripper18')))
+      require 'ripper'
     end
 
     @file_paths = []
diff --git a/lib/ripper18/ripper/core.rb b/lib/ripper18/ripper/core.rb
index f6448249..b0543ed9 100644
--- a/lib/ripper18/ripper/core.rb
+++ b/lib/ripper18/ripper/core.rb
@@ -8,7 +8,7 @@
 # For details of Ruby License, see ruby/COPYING.
 #
 
-require File.dirname(__FILE__) + '/../../ext/ripper.so'
+require File.dirname(__FILE__) + '/../../ext/ripper.bundle'
 
 class Ripper