diff --git a/_test/renderer_plugin_edittable_json.test.php b/_test/renderer_plugin_edittable_json.test.php
index 8038629..3d0b5e0 100644
--- a/_test/renderer_plugin_edittable_json.test.php
+++ b/_test/renderer_plugin_edittable_json.test.php
@@ -52,10 +52,9 @@ function test_table() {
         );
 
         $renderer = $this->render($input);
-        $json = new JSON(JSON_LOOSE_TYPE);
 
-        $this->assertEquals($data, $json->decode($renderer->getDataJSON()));
-        $this->assertEquals($meta, $json->decode($renderer->getMetaJSON()));
+        $this->assertEquals($data, json_decode($renderer->getDataJSON(), true));
+        $this->assertEquals($meta, json_decode($renderer->getMetaJSON(), true));
     }
 
 
diff --git a/action/editor.php b/action/editor.php
index 0b2e867..304ba15 100644
--- a/action/editor.php
+++ b/action/editor.php
@@ -122,14 +122,14 @@ public function editform(Doku_Event $event)
      *
      * @author Andreas Gohr <gohr@cosmocode,de>
      */
-    public function handle_table_post($event) {
+    public function handle_table_post(Doku_Event $event)
+    {
         global $TEXT;
         global $INPUT;
-        if(!$INPUT->post->has('edittable_data')) return;
+        if (!$INPUT->post->has('edittable_data')) return;
 
-        $json = new JSON(JSON_LOOSE_TYPE);
-        $data = $json->decode($INPUT->post->str('edittable_data'));
-        $meta = $json->decode($INPUT->post->str('edittable_meta'));
+        $data = json_decode($INPUT->post->str('edittable_data'), true);
+        $meta = json_decode($INPUT->post->str('edittable_meta'), true);
 
         $TEXT = $this->build_table($data, $meta);
     }
diff --git a/renderer/json.php b/renderer/json.php
index 6c5bab7..19de5e4 100644
--- a/renderer/json.php
+++ b/renderer/json.php
@@ -35,8 +35,7 @@ class renderer_plugin_edittable_json extends renderer_plugin_edittable_inverse {
      * @return array
      */
     public function getDataJSON() {
-        $json = new JSON();
-        return $json->encode($this->tdata);
+        return json_encode($this->tdata);
     }
 
     /**
@@ -45,8 +44,7 @@ public function getDataJSON() {
      * @return array
      */
     public function getMetaJSON() {
-        $json = new JSON();
-        return $json->encode($this->tmeta);
+        return json_encode($this->tmeta);
     }
 
     // renderer functions below