diff --git a/Resources/views/Form/form_javascripts.html.twig b/Resources/views/Form/form_javascripts.html.twig
index 00cbc9c..0a0819a 100644
--- a/Resources/views/Form/form_javascripts.html.twig
+++ b/Resources/views/Form/form_javascripts.html.twig
@@ -3,10 +3,19 @@
     {% for child in form %}
         {{ afe_form_javascript(child) }}
     {% endfor %}
-    {% block form_afe_javascript_prototype %}{% endblock form_afe_javascript_prototype %}
 {% endspaceless %}
 {% endblock form_afe_javascript %}
 
+{% block form_afe_javascript_prototype %}
+{% spaceless %}
+    {% for child in form %}
+        parent.push('{{ child.vars.name }}');
+        $field = $('#' + id + '_' + parent.join('_'));
+        {{ afe_form_javascript(child, true) }}
+        parent.pop();                                                                                                                                            {% endfor %}
+{% endspaceless %}
+{% endblock form_afe_javascript_prototype %}
+
 {% block field_afe_javascript "" %}
 
 {% block button_afe_javascript "" %}
@@ -26,11 +35,14 @@
             confirm_batch:  {{ 'afe_bootstrap_collection.confirm.batchDelete'|trans({}, 'AvocodeFormExtensions')|e4js }}
         },
         javascript: function(id) {
+        parent = [];
         {% if prototype is defined %}
             {% if prototype.vars.compound %}
                 {% for child in prototype %}
-                    $field = $('#' + id + '_{{ child.vars.name }}');
+                    parent.push('{{ child.vars.name }}');
+                    $field = $('#' + id + '_' + parent.join('_'));
                     {{ afe_form_javascript(child, true) }}
+                    parent.pop();
                 {% endfor %}
             {% else %}
                 $field = $('#' + id);
@@ -342,7 +354,7 @@
         var $field = $('#{{ id }}');
 
     {% block afe_single_upload_afe_javascript_prototype %}
-        $('#{{ id }}').singleUpload({
+        $field.singleUpload({
             minWidth:         {{ minWidth|e4js }},
             minHeight:        {{ minHeight|e4js }},
             maxWidth:         {{ maxWidth|e4js }},