diff --git a/lib/inline_svg.rb b/lib/inline_svg.rb
index f22d517..45aa49e 100644
--- a/lib/inline_svg.rb
+++ b/lib/inline_svg.rb
@@ -11,6 +11,7 @@
 
 require "inline_svg/railtie" if defined?(Rails)
 require 'active_support'
+require 'active_support/core_ext/object/blank'
 require 'active_support/core_ext/string'
 require 'nokogiri'