diff --git a/inc/myco.js b/inc/myco.js
index af7f01c..2579afb 100644
--- a/inc/myco.js
+++ b/inc/myco.js
@@ -541,13 +541,7 @@ on_show_add_contribution_modal=function(e) {
   $('#add_contribution_modal #add_contribution_contributor_email')[0].value=$('#view-group #contributor')[0].value;
   gid=$('#add_contribution_modal').data('group-uuid');
   group=groups[gid];
-  current_cat=$('#add_contribution_modal #add_contribution_category')[0].value;
-  cats="<option value=''>Non définie</option>";
-  for (u in group.getSortedCategories()) {
-	cats+="<option value='"+u+"'>"+group.categories[u]['name']+"</option>";
-  }
-  $('#add_contribution_modal #add_contribution_category').html(cats);
-  $('#add_contribution_modal #add_contribution_category')[0].value=current_cat;
+  populate_add_contribution_categories(group);
   $('#add_contribution_modal #add_contribution_title').typeahead('destroy');
   $('#add_contribution_modal #add_contribution_title').typeahead({
     hint: true,
@@ -563,9 +557,28 @@ on_show_add_contribution_modal=function(e) {
   $('#add_contribution_modal #add_contribution_title').focus();
 }
 
+populate_add_contribution_categories=function(group,select) {
+  if (!group) {
+    gid=$('#add_contribution_modal').data('group-uuid');
+    group=groups[gid];
+  }
+  current_cat=$('#add_contribution_modal #add_contribution_category')[0].value;
+  cats="<option value=''>Non définie</option>";
+  for (u in group.getSortedCategories()) {
+	cats+="<option value='"+u+"'>"+group.categories[u]['name']+"</option>";
+  }
+  $('#add_contribution_modal #add_contribution_category').html(cats);
+  if (select) {
+    $('#add_contribution_modal #add_contribution_category').val(select);
+  }
+  else {
+    $('#add_contribution_modal #add_contribution_category').val(current_cat);
+  }
+}
+
 on_select_contribution_suggestion=function(event,choice,name) {
   if (jQuery.type(choice['category'])=='string') {
-    $('#add_contribution_modal #add_contribution_category').val(choice['category']);
+    populate_add_contribution_categories(null,choice['category']);
   }
 }
 
@@ -672,7 +685,7 @@ on_contribution_edit_btn_click=function(e) {
   $('#add_contribution_modal #add_contribution_cost')[0].value=contribution.cost;
   $('#add_contribution_modal #add_contribution_date')[0].value=moment(contribution.date).format('DD/MM/YYYY');
   if (contribution.category) {
-	$('#add_contribution_modal #add_contribution_category')[0].value=contribution.category;
+    populate_add_contribution_categories(group,contribution.category);
   }
   $('#add_contribution_modal #edit_uuid')[0].value=contribution_uuid;
   $('#add_contribution_modal').modal('show');