diff --git a/php_phongo.c b/php_phongo.c
index 49c8deabb..c435a2417 100644
--- a/php_phongo.c
+++ b/php_phongo.c
@@ -270,7 +270,7 @@ static void php_phongo_log(mongoc_log_level_t log_level, const char *log_domain,
 /* }}} */
 
 /* {{{ Init objects */
-void phongo_cursor_init(zval *return_value, mongoc_cursor_t *cursor, mongoc_client_t *client TSRMLS_DC) /* {{{ */
+static void phongo_cursor_init(zval *return_value, mongoc_cursor_t *cursor, mongoc_client_t *client TSRMLS_DC) /* {{{ */
 {
 	php_phongo_cursor_t *intern;
 
@@ -294,6 +294,28 @@ void phongo_server_init(zval *return_value, mongoc_client_t *client, int server_
 }
 /* }}} */
 
+void phongo_readpreference_init(zval *return_value, const mongoc_read_prefs_t *read_prefs TSRMLS_DC) /* {{{ */
+{
+	php_phongo_readpreference_t *intern;
+
+	object_init_ex(return_value, php_phongo_readpreference_ce);
+
+	intern = (php_phongo_readpreference_t *)zend_object_store_get_object(return_value TSRMLS_CC);
+	intern->read_preference = mongoc_read_prefs_copy(read_prefs);
+}
+/* }}} */
+
+void phongo_writeconcern_init(zval *return_value, const mongoc_write_concern_t *write_concern TSRMLS_DC) /* {{{ */
+{
+	php_phongo_writeconcern_t *intern;
+
+	object_init_ex(return_value, php_phongo_writeconcern_ce);
+
+	intern = (php_phongo_writeconcern_t *)zend_object_store_get_object(return_value TSRMLS_CC);
+	intern->write_concern = mongoc_write_concern_copy(write_concern);
+}
+/* }}} */
+
 bool phongo_query_init(php_phongo_query_t *query, zval *filter, zval *options TSRMLS_DC) /* {{{ */
 {
 	zval *zquery = NULL;
diff --git a/php_phongo.h b/php_phongo.h
index 59e780729..dce914df5 100644
--- a/php_phongo.h
+++ b/php_phongo.h
@@ -111,6 +111,8 @@ PHONGO_API zval* phongo_throw_exception(php_phongo_error_domain_t domain TSRMLS_
 PHONGO_API zend_object_handlers *phongo_get_std_object_handlers(void);
 
 void phongo_server_init                              (zval *return_value, mongoc_client_t *client, int server_id TSRMLS_DC);
+void                     phongo_readpreference_init  (zval *return_value, const mongoc_read_prefs_t *read_prefs TSRMLS_DC);
+void                     phongo_writeconcern_init    (zval *return_value, const mongoc_write_concern_t *write_concern TSRMLS_DC);
 bool                     phongo_query_init           (php_phongo_query_t *query, zval *filter, zval *options TSRMLS_DC);
 mongoc_bulk_operation_t* phongo_bulkwrite_init      (zend_bool ordered);
 bool                     phongo_execute_write        (mongoc_client_t *client, const char *namespace, mongoc_bulk_operation_t *bulk, const mongoc_write_concern_t *write_concern, int server_id, zval *return_value, int return_value_used TSRMLS_DC);
diff --git a/src/MongoDB/Manager.c b/src/MongoDB/Manager.c
index ce51ddbfd..94f03fb16 100644
--- a/src/MongoDB/Manager.c
+++ b/src/MongoDB/Manager.c
@@ -290,7 +290,7 @@ PHP_METHOD(Manager, getReadPreference)
 	}
 
 	if (return_value_used) {
-		php_phongo_read_preference_to_zval(return_value, mongoc_client_get_read_prefs(intern->client));
+		phongo_readpreference_init(return_value, mongoc_client_get_read_prefs(intern->client) TSRMLS_CC);
 	}
 }
 /* }}} */
@@ -341,7 +341,7 @@ PHP_METHOD(Manager, getWriteConcern)
 	}
 
 	if (return_value_used) {
-		php_phongo_write_concern_to_zval(return_value, mongoc_client_get_write_concern(intern->client));
+		phongo_writeconcern_init(return_value, mongoc_client_get_write_concern(intern->client) TSRMLS_CC);
 	}
 }
 /* }}} */
diff --git a/tests/manager/manager-getreadpreference-001.phpt b/tests/manager/manager-getreadpreference-001.phpt
index 7c0fd3d8f..137921ab0 100644
--- a/tests/manager/manager-getreadpreference-001.phpt
+++ b/tests/manager/manager-getreadpreference-001.phpt
@@ -29,36 +29,36 @@ foreach ($tests as $i => $test) {
 ?>
 ===DONE===
 <?php exit(0); ?>
---EXPECT--
-array(2) {
+--EXPECTF--
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(1)
   ["tags"]=>
   array(0) {
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(2)
   ["tags"]=>
   array(0) {
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(5)
   ["tags"]=>
   array(0) {
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(6)
   ["tags"]=>
   array(0) {
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(2)
   ["tags"]=>
@@ -75,7 +75,7 @@ array(2) {
     }
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(2)
   ["tags"]=>
@@ -92,7 +92,7 @@ array(2) {
     }
   }
 }
-array(2) {
+object(MongoDB\Driver\ReadPreference)#%d (%d) {
   ["mode"]=>
   int(2)
   ["tags"]=>
diff --git a/tests/manager/manager-getwriteconcern-001.phpt b/tests/manager/manager-getwriteconcern-001.phpt
index 4903ad76b..f50857059 100644
--- a/tests/manager/manager-getwriteconcern-001.phpt
+++ b/tests/manager/manager-getwriteconcern-001.phpt
@@ -34,8 +34,8 @@ foreach ($tests as $i => $test) {
 ?>
 ===DONE===
 <?php exit(0); ?>
---EXPECT--
-array(4) {
+--EXPECTF--
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["wmajority"]=>
   bool(false)
   ["wtimeout"]=>
@@ -45,7 +45,7 @@ array(4) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   int(1)
   ["wmajority"]=>
@@ -57,7 +57,7 @@ array(5) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   string(8) "majority"
   ["wmajority"]=>
@@ -69,7 +69,7 @@ array(5) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   int(1)
   ["wmajority"]=>
@@ -81,7 +81,7 @@ array(5) {
   ["journal"]=>
   bool(true)
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   string(8) "majority"
   ["wmajority"]=>
@@ -93,7 +93,7 @@ array(5) {
   ["journal"]=>
   bool(true)
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   int(1)
   ["wmajority"]=>
@@ -105,7 +105,7 @@ array(5) {
   ["journal"]=>
   bool(false)
 }
-array(4) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["wmajority"]=>
   bool(false)
   ["wtimeout"]=>
@@ -115,7 +115,7 @@ array(4) {
   ["journal"]=>
   NULL
 }
-array(4) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["wmajority"]=>
   bool(false)
   ["wtimeout"]=>
@@ -125,7 +125,7 @@ array(4) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   int(2)
   ["wmajority"]=>
@@ -137,7 +137,7 @@ array(5) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   string(8) "majority"
   ["wmajority"]=>
@@ -149,7 +149,7 @@ array(5) {
   ["journal"]=>
   NULL
 }
-array(5) {
+object(MongoDB\Driver\WriteConcern)#%d (%d) {
   ["w"]=>
   string(12) "customTagSet"
   ["wmajority"]=>