diff --git a/activesupport/lib/active_support/xml_mini/nokogiri.rb b/activesupport/lib/active_support/xml_mini/nokogiri.rb
index e312a0248a21d0f471cfb6d10b43ee1488c3e1d3..eb61a7fc22c9d4779d3025f92a774e7f4eb0ddee 100644
--- a/activesupport/lib/active_support/xml_mini/nokogiri.rb
+++ b/activesupport/lib/active_support/xml_mini/nokogiri.rb
@@ -1,4 +1,5 @@
 require 'nokogiri'
+require 'active_support/core_ext/object/blank'
 
 # = XmlMini Nokogiri implementation
 module ActiveSupport