diff --git a/lib/rdoc/rdoc.rb b/lib/rdoc/rdoc.rb
index e1b961b124..47108ceee3 100644
--- a/lib/rdoc/rdoc.rb
+++ b/lib/rdoc/rdoc.rb
@@ -544,7 +544,7 @@ def remove_siginfo_handler
 begin
   require 'rubygems'
 
-  rdoc_extensions = Gem.find_files 'rdoc/discover'
+  rdoc_extensions = Gem.find_latest_files 'rdoc/discover'
 
   rdoc_extensions.each do |extension|
     begin