diff --git a/lib/awesome_print/formatter.rb b/lib/awesome_print/formatter.rb
index 3019c50..6364e89 100755
--- a/lib/awesome_print/formatter.rb
+++ b/lib/awesome_print/formatter.rb
@@ -63,8 +63,8 @@ module AwesomePrint
     def awesome_self(object, type)
       if @options[:raw] && object.instance_variables.any?
         awesome_object(object)
-      elsif object == ENV
-        awesome_hash(object.to_hash)
+      elsif object.eql?(ENV)  # See https://github.com/michaeldv/awesome_print/issues/134
+        awesome_hash(ENV.to_hash)
       else
         colorize(object.inspect.to_s, type)
       end
diff --git a/spec/misc_spec.rb b/spec/misc_spec.rb
index 2d21ee6..d359ca6 100644
--- a/spec/misc_spec.rb
+++ b/spec/misc_spec.rb
@@ -57,6 +57,13 @@ describe "AwesomePrint" do
       ENV.ai(:plain => true).should == ENV.to_hash.ai(:plain => true)
       ENV.ai.should == ENV.to_hash.ai
     end
+
+    # See https://github.com/michaeldv/awesome_print/issues/134
+    it "IPAddr workaround" do
+      require "ipaddr"
+      ipaddr = IPAddr.new("3ffe:505:2::1")
+      ipaddr.ai.should == "#<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0001/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>"
+    end
   end
 
   #------------------------------------------------------------------------------