diff --git a/inc/myco.js b/inc/myco.js
index 2579afb..dcde4c4 100644
--- a/inc/myco.js
+++ b/inc/myco.js
@@ -451,7 +451,7 @@ on_click_add_contributor_btn=function() {
   $('#add_contributor_modal').data('group-uuid',$('#view-group').data('uuid'))
   $($('#add_contributor_modal h4')[0]).html('Ajouter un participant');
   $($('#add_contributor_modal #add_contributor_submit')[0]).html('Ajouter');
-  $('#view-group #edit_id')[0].value='-1';
+  $('#add_contributor_modal').data('edit-id','-1');
   $('#add_contributor_modal #add_contributor_email').attr('disabled',false);
   $('#add_contributor_modal').modal('show');
 }
@@ -469,7 +469,7 @@ on_valid_add_contributor_modal=function(e) {
   e.preventDefault();
   var group=groups[$('#add_contributor_modal').data('group-uuid')];
   var name=$('#add_contributor_name')[0].value;
-  edit_id=$('#view-group #edit_id')[0].value;
+  var edit_id=$('#add_contributor_modal').data('edit-id');
   if (name=='') {
     alert('Vous devez saisir un nom !');
     return;
@@ -480,7 +480,7 @@ on_valid_add_contributor_modal=function(e) {
     return;
   }
   duplicate=group.contributorByEmail(email)
-  if (duplicate!=undefined && edit=='-1') {
+  if (duplicate!=undefined && edit_id=='-1') {
     alert('Un contributor utilise déjà cet email !');
     return;
   }
@@ -510,7 +510,7 @@ on_edit_contributor_btn_click=function(e) {
   $('#add_contributor_modal').data('group-uuid',group.uuid);
   contributor_email=$('#view-group #contributor')[0].value;
   contributor=group.contributorByEmail(contributor_email);
-  $('#view-group #edit_id')[0].value=contributor_email;
+  $('#add_contributor_modal').data('edit-id',contributor_email);
   $('#add_contributor_modal #add_contributor_name')[0].value=contributor.name;
   $('#add_contributor_modal #add_contributor_email')[0].value=contributor.email;
   $('#add_contributor_modal #add_contributor_email').attr('disabled',true);