diff --git a/lib/sequel/core.rb b/lib/sequel/core.rb
index 93fbb4db99..5f1acaea2b 100644
--- a/lib/sequel/core.rb
+++ b/lib/sequel/core.rb
@@ -188,7 +188,7 @@ def self.quote_identifiers=(value)
   # This is used to ensure that the files loaded are from the same version of
   # Sequel as this file.
   def self.require(files, subdir=nil)
-    Array(files).each{|f| super("#{File.dirname(__FILE__)}/#{"#{subdir}/" if subdir}#{f}")}
+    Array(files).each{|f| super("#{File.dirname(__FILE__).untaint}/#{"#{subdir}/" if subdir}#{f}")}
   end
   
   # Set whether to set the single threaded mode for all databases by default. By default,