diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
index 645b74c98ec5..e2d70147b82c 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
@@ -24,7 +24,7 @@
 {%- endblock form_widget_compound -%}
 
 {%- block collection_widget -%}
-    {% if prototype is defined %}
+    {% if prototype is defined and not prototype.rendered %}
         {%- set attr = attr|merge({'data-prototype': form_row(prototype) }) -%}
     {% endif %}
     {{- block('form_widget') -}}