diff --git a/Rakefile b/Rakefile
index 6231183..f02219f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,9 +1,9 @@
 require 'rubygems'
 require 'rake'
-require 'rake/rdoctask'
-require 'rake/gempackagetask'
-require 'rspec/core/rake_task'
 require 'rake/extensiontask'
+require 'rdoc/task'
+require 'rubygems/package_task'
+require 'rspec/core/rake_task'
 
 desc 'Default: run the specs.'
 task :default => :spec
@@ -33,7 +33,7 @@ Rake::RDocTask.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include("lib") # Don't include ext folder because no one cares
 end
 
-Rake::GemPackageTask.new(spec) do |pkg|
+Gem::PackageTask.new(spec) do |pkg|
   pkg.need_zip = false
   pkg.need_tar = false
 end
diff --git a/ext/rocketamf_ext/serializer.c b/ext/rocketamf_ext/serializer.c
index 8b1b0ab..8b5fa31 100644
--- a/ext/rocketamf_ext/serializer.c
+++ b/ext/rocketamf_ext/serializer.c
@@ -603,6 +603,16 @@ static VALUE ser3_serialize(VALUE self, VALUE obj) {
         klass = CLASS_OF(obj);
     }
 
+    //Detects proxy arrays and converts them to real arrays
+    if(type == T_OBJECT){
+      VALUE testObj = rb_check_array_type(obj);
+      if(testObj != Qnil){
+        obj = testObj;
+        type = T_ARRAY;
+        //TODO: clean up old object or will GC take care of it well enough?
+      }
+    }
+
     if(rb_respond_to(obj, id_encode_amf)) {
         rb_funcall(obj, id_encode_amf, 1, self);
     } else if(type == T_STRING || type == T_SYMBOL) {
diff --git a/spec/serializer_spec.rb b/spec/serializer_spec.rb
index 9869ffa..05223f0 100644
--- a/spec/serializer_spec.rb
+++ b/spec/serializer_spec.rb
@@ -52,6 +52,15 @@
       output.should == object_fixture('amf0-strict-array.bin')
     end
 
+    it "should serialize an array through a proxy class" do
+      expected = object_fixture("amf3-primitive-array.bin")
+      arr = ProxyArray.new
+      [1,2,3,4,5].each {|e| arr.push e}
+
+      output = RocketAMF.serialize(arr,3)
+      output.should == expected
+    end
+
     it "should serialize references" do
       obj = OtherClass.new
       obj.foo = "baz"
@@ -343,6 +352,15 @@ def obj2.encode_amf serializer
         output.should == expected
       end
 
+      it "should serialize an array through a proxy class" do
+        expected = object_fixture("amf3-primitive-array.bin")
+        arr = ProxyArray.new
+        [1,2,3,4,5].each {|e| arr.push e}
+
+        output = RocketAMF.serialize(arr,3)
+        output.should == expected
+      end
+
       it "should serialize a byte array" do
         expected = object_fixture("amf3-byte-array.bin")
         str = "\000\003これtest\100"
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 7229967..d8f60cf 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -33,6 +33,17 @@ class ClassMappingTest2 < ClassMappingTest
   attr_accessor :prop_c
 end
 module ANamespace; class TestRubyClass; end; end
+class ProxyArray
+  instance_methods.each {|m| undef_method m unless m=~ /^__|^send$|^object_id$/}
+  protected
+  def method_missing(name, *args, &block)
+    target.send(name, *args, &block)
+  end
+
+  def target
+    @target ||= []
+  end
+end
 class ExternalizableTest
   include RocketAMF::Pure::ReadIOHelpers
   include RocketAMF::Pure::WriteIOHelpers