diff --git a/ServiceBinding/RpcLiteralRequestMessageBinder.php b/ServiceBinding/RpcLiteralRequestMessageBinder.php
index 9fe758b..310860f 100644
--- a/ServiceBinding/RpcLiteralRequestMessageBinder.php
+++ b/ServiceBinding/RpcLiteralRequestMessageBinder.php
@@ -20,29 +20,25 @@ use BeSimple\SoapBundle\ServiceDefinition\Strategy\PropertyComplexType;
  */
 class RpcLiteralRequestMessageBinder implements MessageBinderInterface
 {
-    private $definitionComplexTypes;
+    private $messageRefs = array();
 
     public function processMessage(Method $messageDefinition, $message, array $definitionComplexTypes = array())
     {
-        $this->definitionComplexTypes = $definitionComplexTypes;
-
         $result = array();
         $i      = 0;
 
         foreach($messageDefinition->getArguments() as $argument) {
             if (isset($message[$i])) {
-                $result[$argument->getName()] = $this->processType($argument->getType()->getPhpType(), $message[$i]);
+                $result[$argument->getName()] = $this->processType($argument->getType()->getPhpType(), $message[$i], $definitionComplexTypes);
             }
 
             $i++;
         }
 
-        $this->definitionComplexTypes = array();
-
         return $result;
     }
 
-    private function processType($phpType, $message)
+    private function processType($phpType, $message, array $definitionComplexTypes)
     {
         if (preg_match('/^([^\[]+)\[\]$/', $phpType, $match)) {
             $isArray = true;
@@ -52,17 +48,17 @@ class RpcLiteralRequestMessageBinder implements MessageBinderInterface
             $type    = $phpType;
         }
 
-        if (isset($this->definitionComplexTypes[$type])) {
+        if (isset($definitionComplexTypes[$type])) {
             if ($isArray) {
                 $array = array();
 
                 foreach ($message->item as $complexType) {
-                    $array[] = $this->getInstanceOfType($type, $complexType);
+                    $array[] = $this->getInstanceOfType($type, $complexType, $definitionComplexTypes);
                 }
 
                 $message = $array;
             } else {
-                $message = $this->getInstanceOfType($type, $message);
+                $message = $this->getInstanceOfType($type, $message, $definitionComplexTypes);
             }
         } elseif ($isArray) {
             $message = $message->item;
@@ -71,12 +67,18 @@ class RpcLiteralRequestMessageBinder implements MessageBinderInterface
         return $message;
     }
 
-    private function getInstanceOfType($phpType, $message)
+    private function getInstanceOfType($phpType, $message, array $definitionComplexTypes)
     {
-        $instanceType = new $phpType();
+        $hash = spl_object_hash($message);
+        if (isset($this->messageRefs[$hash])) {
+            return $this->messageRefs[$hash];
+        }
 
-        foreach ($this->definitionComplexTypes[$phpType] as $type) {
-            $value = $this->processType($type->getValue(), $message->{$type->getName()});
+        $this->messageRefs[$hash] =
+        $instanceType             = new $phpType();
+
+        foreach ($definitionComplexTypes[$phpType] as $type) {
+            $value = $this->processType($type->getValue(), $message->{$type->getName()}, $definitionComplexTypes);
 
             if ($type instanceof PropertyComplexType) {
                 $instanceType->{$type->getOriginalName()} = $value;
diff --git a/Tests/ServiceBinding/RpcLiteralRequestMessageBinderTest.php b/Tests/ServiceBinding/RpcLiteralRequestMessageBinderTest.php
index 3c8a380..a9b1ee0 100644
--- a/Tests/ServiceBinding/RpcLiteralRequestMessageBinderTest.php
+++ b/Tests/ServiceBinding/RpcLiteralRequestMessageBinderTest.php
@@ -38,18 +38,17 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
 
     public function testProcessMessageWithComplexType()
     {
-        $definitionComplexTypes = $this->getDefinitionComplexTypes();
-
         $attributes = new \stdClass();
         $attributes->foo = 'bar';
         $attributes->bar = 10;
+
         $messageBinder = new RpcLiteralRequestMessageBinder();
         $result        = $messageBinder->processMessage(
             new Method('complextype_argument', null, array(
                 new Argument('attributes', new Type('\BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Attributes')),
             )),
             array($attributes),
-            $definitionComplexTypes
+            $this->getDefinitionComplexTypes()
         );
 
         $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Attributes', $result['attributes']);
@@ -62,15 +61,17 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
         $attributes2  = new \stdClass();
         $attributes2->foo = 'barfoo';
         $attributes2->bar = 12;
+
         $message = new \stdClass();
         $message->item = array($attributes1, $attributes2);
+
         $messageBinder = new RpcLiteralRequestMessageBinder();
         $result        = $messageBinder->processMessage(
             new Method('complextype_argument', null, array(
                 new Argument('attributes', new Type('\BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Attributes[]')),
             )),
             array($message),
-            $definitionComplexTypes
+            $this->getDefinitionComplexTypes()
         );
 
         $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Attributes', $result['attributes'][0]);
@@ -83,18 +84,17 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
 
     public function testProcessMessageWithComplexTypeIntoComplexType()
     {
-        $definitionComplexTypes = $this->getDefinitionComplexTypes();
-
         $methods = new \stdClass();
         $methods->foo = 'bar';
         $methods->bar = 23;
+
         $messageBinder = new RpcLiteralRequestMessageBinder();
         $result        = $messageBinder->processMessage(
             new Method('complextype_methods', null, array(
                 new Argument('setters', new Type('\BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Setters')),
             )),
             array($methods),
-            $definitionComplexTypes
+            $this->getDefinitionComplexTypes()
         );
 
         $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\Setters', $result['setters']);
@@ -104,22 +104,22 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
 
     public function testProcessMessageWithComplexTypeMethods()
     {
-        $definitionComplexTypes = $this->getDefinitionComplexTypes();
-
         $complexType = new \stdClass();
         $foo = $complexType->foo = new \stdClass();
         $foo->foo = 'hello';
         $foo->bar = 24;
+
         $bar = $complexType->bar = new \stdClass();
         $bar->foo = 'bonjour';
         $bar->bar = 1012;
+
         $messageBinder = new RpcLiteralRequestMessageBinder();
         $result        = $messageBinder->processMessage(
             new Method('complextype_complextype', null, array(
                 new Argument('complex_type', new Type('\BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\ComplexType')),
             )),
             array($complexType),
-            $definitionComplexTypes
+            $this->getDefinitionComplexTypes()
         );
 
         $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\ComplexType', $result['complex_type']);
@@ -133,6 +133,40 @@ class RpcLiteralRequestMessageBinderTest extends \PHPUnit_Framework_TestCase
         $this->assertSame(1012, $result['complex_type']->bar->getBar());
     }
 
+    public function testProcessMessageWithComplexTypeReferences()
+    {
+        $complexType1 = new \stdClass();
+        $foo = $complexType1->foo = new \stdClass();
+        $foo->foo = 'hello';
+        $foo->bar = 24;
+
+        $bar = $complexType1->bar = new \stdClass();
+        $bar->foo = 'bonjour';
+        $bar->bar = 1012;
+
+        $complexType2 = new \stdClass();
+        $complexType2->foo = $foo;
+        $complexType2->bar = $bar;
+
+        $complexTypes = new \stdClass();
+        $complexTypes->item = array($complexType1, $complexType2);
+
+        $messageBinder = new RpcLiteralRequestMessageBinder();
+        $result        = $messageBinder->processMessage(
+            new Method('complextypes_references', null, array(
+                new Argument('complex_types', new Type('\BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\ComplexType[]')),
+            )),
+            array($complexTypes),
+            $this->getDefinitionComplexTypes()
+        );
+
+        $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\ComplexType', $result['complex_types'][0]);
+        $this->assertInstanceOf('BeSimple\SoapBundle\Tests\ServiceBinding\fixtures\ComplexType', $result['complex_types'][1]);
+
+        $this->assertSame($result['complex_types'][0]->getFoo(), $result['complex_types'][1]->getFoo());
+        $this->assertSame($result['complex_types'][0]->bar, $result['complex_types'][1]->bar);
+    }
+
     public function messageProvider()
     {
         $messages = array();