diff --git a/EdgeManager/EDataCapture/EDataCapture.php b/EdgeManager/EDataCapture/EDataCapture.php
index 991c0a6..447f1f2 100644
--- a/EdgeManager/EDataCapture/EDataCapture.php
+++ b/EdgeManager/EDataCapture/EDataCapture.php
@@ -40,7 +40,7 @@ class EDataCapture {
             )));
             
             $code_type = &$this -> code_type;
-            array_walk($res, function(&$v, $k) use (&$code_type) {
+            array_walk($res, function($v, $k) use (&$code_type) {
                 $code_type[$v['code']] = $v['type'];
             });