1 files changed, 4 insertions, 0 deletions
diff --git a/gem_prelude.rb b/gem_prelude.rb
index 017adc2040..55fd9136dc 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -34,6 +34,10 @@ if defined?(Gem) then
       :sitelibdir        => RbConfig::CONFIG["sitelibdir"],
     }
 
+    def self.suffixes
+      ['.rb', ".#{RbConfig::CONFIG["DLEXT"]}"]
+    end
+
     def self.dir
       @gem_home ||= nil
       set_home(ENV['GEM_HOME'] || default_dir) unless @gem_home