diff --git a/subjects/forms.py b/subjects/forms.py
index 8006553..8a11cd6 100644
--- a/subjects/forms.py
+++ b/subjects/forms.py
@@ -66,9 +66,10 @@ class CreateSubjectForm(forms.ModelForm):
         return cleaned_data
     def clean_subscribe_begin(self):
         subscribe_begin = self.cleaned_data['subscribe_begin']
-        #if subscribe_begin < datetime.datetime.today().date():
-            #self._errors['subscribe_begin'] = _('this date must be today or after')
-            #raise forms.ValidationError(_(''))
+        if subscribe_begin < datetime.datetime.today().date():
+            print("aqui")
+            self._errors['subscribe_begin'] = _('this date must be today or after')
+            return ValueError
         return subscribe_begin
 
 class CreateTagForm(forms.ModelForm):
diff --git a/subjects/templates/subjects/list.html b/subjects/templates/subjects/list.html
index 5c2e20c..6f92f59 100644
--- a/subjects/templates/subjects/list.html
+++ b/subjects/templates/subjects/list.html
@@ -99,7 +99,7 @@
                             
                             <div class="panel-group subject-group" id="{{ category.slug }}-accordion" role="tablist" aria-multiselectable="true">
                                 {% for subject in category.subject_category.all %}
-                                    {% if request.user in subject.students.all or request.user.is_staff or request.user in subject.professor.all or all %}
+                                    {% if request.user in subject.students.all or request.user.is_staff or request.user in subject.professor.all or all or request.user in subject.category.coordinators.all %}
                                         
                                         {% include "subjects/subject_card.html" %}
                                     {% endif %}
diff --git a/subjects/views.py b/subjects/views.py
index b8a054f..c5f3e2a 100644
--- a/subjects/views.py
+++ b/subjects/views.py
@@ -32,7 +32,6 @@ from users.models import User
 class HomeView(LoginRequiredMixin, ListView):
     login_url = reverse_lazy("users:login")
     redirect_field_name = 'next'
-    queryset = Subject.objects.all().order_by('name')
     template_name = 'subjects/initial.html'
     context_object_name = 'subjects'
     paginate_by = 10    
@@ -63,7 +62,6 @@ class IndexView(LoginRequiredMixin, ListView):
 
     login_url = reverse_lazy("users:login")
     redirect_field_name = 'next'
-    queryset = Category.objects.all().order_by('name')
     template_name = 'subjects/list.html'
     context_object_name = 'categories'
     paginate_by = 10
--
libgit2 0.21.2