diff --git a/ckanext/harvest/templates_new/source/edit.html b/ckanext/harvest/templates_new/source/edit.html
index d74489b..bf34bf4 100644
--- a/ckanext/harvest/templates_new/source/edit.html
+++ b/ckanext/harvest/templates_new/source/edit.html
@@ -5,7 +5,12 @@
 {% block primary_content_inner %}
   <div class="module-content">
     {% block form %}
-      {{- h.snippet(form_snippet, c=c, **form_vars) -}}
+      {% if c.form %}
+        {# CKAN < 2.3 #}
+        {{ c.form | safe }}
+      {% else %}
+        {{- h.snippet(form_snippet, c=c, **form_vars) -}}
+      {% endif %}
     {% endblock %}
   </div>
 {% endblock %}
diff --git a/ckanext/harvest/templates_new/source/new.html b/ckanext/harvest/templates_new/source/new.html
index eaeb0e1..00b4418 100644
--- a/ckanext/harvest/templates_new/source/new.html
+++ b/ckanext/harvest/templates_new/source/new.html
@@ -14,7 +14,12 @@
   <section class="module">
     <div class="module-content">
       {% block form %}
-        {{- h.snippet(form_snippet, c=c, **form_vars) -}}
+        {% if c.form %}
+          {# CKAN < 2.3 #}
+          {{ c.form | safe }}
+        {% else %}
+          {{- h.snippet(form_snippet, c=c, **form_vars) -}}
+        {% endif %}
       {% endblock %}
     </div>
   </section>