diff --git a/ReactJS.php b/ReactJS.php
index 8877e37..1dd9197 100644
--- a/ReactJS.php
+++ b/ReactJS.php
@@ -77,7 +77,7 @@ function __construct($libsrc, $appsrc) {
    */
   function setComponent($component, $data = null) {
     $this->component = $component;
-    $this->data = json_encode($data);
+    $this->data = json_encode($data, JSON_NUMERIC_CHECK);
     return $this;
   }