diff --git a/actionpack/lib/action_controller/assertions.rb b/actionpack/lib/action_controller/assertions.rb
index 262515a068..00811d24d5 100644
--- a/actionpack/lib/action_controller/assertions.rb
+++ b/actionpack/lib/action_controller/assertions.rb
@@ -1,7 +1,7 @@
 require 'test/unit'
 require 'test/unit/assertions'
 require 'rexml/document'
-require "#{File.dirname(__FILE__)}/vendor/html-scanner/html/document"
+require File.dirname(__FILE__) + "/vendor/html-scanner/html/document"
 
 module Test #:nodoc:
   module Unit #:nodoc:
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb
index 05c6c89501..40ae8b8fd7 100755
--- a/activerecord/lib/active_record.rb
+++ b/activerecord/lib/active_record.rb
@@ -70,7 +70,7 @@ unless defined?(RAILS_CONNECTION_ADAPTERS)
 end
 
 RAILS_CONNECTION_ADAPTERS.each do |adapter|
-  require "active_record/connection_adapters/#{adapter}_adapter"
+  require "active_record/connection_adapters/" + adapter + "_adapter"
 end
 
 require 'active_record/query_cache'