diff --git a/html/ajax.php b/html/ajax.php
index 9c99807f6..3d2142118 100644
--- a/html/ajax.php
+++ b/html/ajax.php
@@ -5,7 +5,7 @@
  * The code (of the plugin) is required
  * Required variable in $_REQUEST
  *  - gDossier
- *  - code
+ *  - plugin_code
  */
 require_once('class_database.php');
 require_once('class_user.php');
@@ -17,10 +17,10 @@ $user=new User($cn);
 $user->check(true);
 
 /* if a code has been asked */
-if (isset($_REQUEST['code']) ) {
+if (isset($_REQUEST['plugin_code']) ) {
 
   $ext=new Extension($cn);
-  $ext->search('code',$_REQUEST['code']);
+  $ext->search('code',$_REQUEST['plugin_code']);
   if ( $ext->get_parameter('id') != 0 ) {
     /* security */
     if ( !isset ($_SESSION['g_user']) || $ext->can_request($_SESSION['g_user']) == 0 ) {
diff --git a/html/extension.php b/html/extension.php
index d74fed951..dd0b79c5b 100644
--- a/html/extension.php
+++ b/html/extension.php
@@ -73,16 +73,16 @@ echo <<<EOF
 EOF;
 }
 /* show all the extension we can access */
-$a=new ISelect('code');
+$a=new ISelect('plugin_code');
 $a->value=Extension::make_array($cn);
-$a->selected=(isset($_REQUEST['code']))?strtoupper($_REQUEST['code']):'';
+$a->selected=(isset($_REQUEST['plugin_code']))?strtoupper($_REQUEST['plugin_code']):'';
 
 /* no plugin available */
 if ( count($a->value) == 0 ) {alert(j(_("Aucune extension  disponible")));exit;}
 
 /* only one plugin available then we don't propose a choice*/
 if ( count($a->value)==1 ) {
-  $_REQUEST['code']=$a->value[0]['value'];
+  $_REQUEST['plugin_code']=$a->value[0]['value'];
 } else {
   echo '<form method="get" action="extension.php">';
   echo $hidden;
diff --git a/include/class_extension.php b/include/class_extension.php
index 7bf1235aa..6c752a2b0 100644
--- a/include/class_extension.php
+++ b/include/class_extension.php
@@ -31,7 +31,7 @@
    * - $variable :
    *    -  id (extension.ex_id)
    *    -  name (extension.ex_name)
-   *    - code (extension.ex_code)
+   *    - plugin_code (extension.ex_code)
    *    - desc (extension.ex_desc)
    *    - enable (extension.ex_enable)
    *    - filepath (extension.ex_file)
diff --git a/include/class_html_input.php b/include/class_html_input.php
index dcaf0b45f..771fbce1f 100755
--- a/include/class_html_input.php
+++ b/include/class_html_input.php
@@ -190,7 +190,7 @@ echo $string => property={'prop':'1','prop2':'2','prop3':'3'};
   }
 
   static function extension() {
-    return self::hidden('code',$_REQUEST['code']);
+    return self::hidden('plugin_code',$_REQUEST['plugin_code']);
   }
 
   /*!\brief create a button with a ref
diff --git a/include/ext_inc.php b/include/ext_inc.php
index 6ae5979fa..349a07a85 100644
--- a/include/ext_inc.php
+++ b/include/ext_inc.php
@@ -1,10 +1,10 @@
 <?php
 
 /* if a code has been asked */
-if (isset($_REQUEST['code']) ) {
+if (isset($_REQUEST['plugin_code']) ) {
   $cn=new Database(dossier::id());
   $ext=new Extension($cn);
-  $ext->search('code',$_REQUEST['code']);
+  $ext->search('code',$_REQUEST['plugin_code']);
   if ( $ext->get_parameter('id') != 0 ) {
     /* security */
     if ( $ext->can_request($_SESSION['g_user']) == 0 ) {