diff --git a/subjects/templates/subjects/list.html b/subjects/templates/subjects/list.html
index 32a428e..be62000 100644
--- a/subjects/templates/subjects/list.html
+++ b/subjects/templates/subjects/list.html
@@ -154,6 +154,9 @@
                             <div id="{{category.slug}}" class="panel-collapse panel-body collapse category-panel-content">
                                 <input type="hidden" class="log_url" value="{% url 'categories:view_log' category.id %}" />
                                 <input type="hidden" class="log_id" value="" />
+
+                                <input type="hidden" class="load_sub_url" value="{% url 'subjects:load_view' category.slug %}" />
+
                                 {% if category.coordinators.all|length > 0  %}
                                     <h4><b>{% trans "Coordinator(s) " %}: </b>
                                         {{ category.coordinators.all|join:', ' }}
diff --git a/topics/forms.py b/topics/forms.py
index 0ef8457..8ee1cb2 100644
--- a/topics/forms.py
+++ b/topics/forms.py
@@ -19,9 +19,9 @@ class TopicForm(forms.ModelForm):
 		repo = self.cleaned_data.get('repository', False)
 		
 		if self.instance.id:
-			same_name = len(self.subject.topic_subject.filter(name__unaccent__iexact = name).exclude(id = self.instance.id))
+			same_name = self.subject.topic_subject.filter(name__unaccent__iexact = name).exclude(id = self.instance.id).count()
 		else:
-			same_name = len(self.subject.topic_subject.filter(name__unaccent__iexact = name))
+			same_name = self.subject.topic_subject.filter(name__unaccent__iexact = name).count()
 		
 		if same_name > 0:
 			if repo:
--
libgit2 0.21.2