diff --git a/trombi/templates/trombi/edit_profile.jinja b/trombi/templates/trombi/edit_profile.jinja
index c0d60108..819ebe51 100644
--- a/trombi/templates/trombi/edit_profile.jinja
+++ b/trombi/templates/trombi/edit_profile.jinja
@@ -40,5 +40,3 @@
 </table>
 {% endblock %}
 
-
-
diff --git a/trombi/templates/trombi/user_tools.jinja b/trombi/templates/trombi/user_tools.jinja
index 8cda2bc3..19056111 100644
--- a/trombi/templates/trombi/user_tools.jinja
+++ b/trombi/templates/trombi/user_tools.jinja
@@ -12,7 +12,8 @@
     {{ subscribe_form.as_p() }}
     <p><input type="submit" value="{% trans %}Save{% endtrans %}" /></p>
 </form>
-{% else %}
+{% endif %}
+{% if trombi %}
 <p>{% trans trombi = user.trombi_user.trombi %}You are subscribed to the Trombi {{ trombi }}{% endtrans %}</p>
 <hr>
 {% set can_comment = trombi.subscription_deadline < date.today() and
diff --git a/trombi/views.py b/trombi/views.py
index 86bc324e..fa8a78e6 100644
--- a/trombi/views.py
+++ b/trombi/views.py
@@ -25,7 +25,7 @@
 from django.http import Http404, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect
 from django.core.urlresolvers import reverse_lazy, reverse
-from django.views.generic import DetailView, RedirectView, TemplateView
+from django.views.generic import DetailView, RedirectView, TemplateView, View
 from django.views.generic.edit import UpdateView, CreateView, DeleteView
 from django.utils.translation import ugettext_lazy as _
 from django import forms
@@ -59,20 +59,21 @@ class TrombiTabsMixin(TabedViewMixin):
         tab_list.append(
             {"url": reverse("trombi:user_tools"), "slug": "tools", "name": _("Tools")}
         )
-        tab_list.append(
-            {
-                "url": reverse("trombi:profile"),
-                "slug": "profile",
-                "name": _("My profile"),
-            }
-        )
-        tab_list.append(
-            {
-                "url": reverse("trombi:pictures"),
-                "slug": "pictures",
-                "name": _("My pictures"),
-            }
-        )
+        if hasattr(self.request.user, "trombi_user"):
+            tab_list.append(
+                {
+                    "url": reverse("trombi:profile"),
+                    "slug": "profile",
+                    "name": _("My profile"),
+                }
+            )
+            tab_list.append(
+                {
+                    "url": reverse("trombi:pictures"),
+                    "slug": "pictures",
+                    "name": _("My pictures"),
+                }
+            )
         try:
             trombi = self.request.user.trombi_user.trombi
             if self.request.user.is_owner(trombi):
@@ -90,6 +91,19 @@ class TrombiTabsMixin(TabedViewMixin):
         return tab_list
 
 
+class UserIsInATrombiMixin(View):
+    """
+    This view check if the requested user has a trombi_user attribute
+    """
+
+    def dispatch(self, request, *args, **kwargs):
+
+        if not hasattr(self.request.user, "trombi_user"):
+            raise Http404()
+
+        return super(UserIsInATrombiMixin, self).dispatch(request, *args, **kwargs)
+
+
 class TrombiForm(forms.ModelForm):
     class Meta:
         model = Trombi
@@ -299,9 +313,13 @@ class UserTrombiToolsView(QuickNotifMixin, TrombiTabsMixin, TemplateView):
     def post(self, request, *args, **kwargs):
         self.form = UserTrombiForm(request.POST)
         if self.form.is_valid():
-            trombi_user = TrombiUser(
-                user=request.user, trombi=self.form.cleaned_data["trombi"]
-            )
+            if hasattr(request.user, "trombi_user"):
+                trombi_user = request.user.trombi_user
+                trombi_user.trombi = self.form.cleaned_data["trombi"]
+            else:
+                trombi_user = TrombiUser(
+                    user=request.user, trombi=self.form.cleaned_data["trombi"]
+                )
             trombi_user.save()
             self.quick_notif_list += ["qn_success"]
         return super(UserTrombiToolsView, self).get(request, *args, **kwargs)
@@ -309,7 +327,10 @@ class UserTrombiToolsView(QuickNotifMixin, TrombiTabsMixin, TemplateView):
     def get_context_data(self, **kwargs):
         kwargs = super(UserTrombiToolsView, self).get_context_data(**kwargs)
         kwargs["user"] = self.request.user
-        if not hasattr(self.request.user, "trombi_user"):
+        if not (
+            hasattr(self.request.user, "trombi_user")
+            and self.request.user.trombi_user.trombi
+        ):
             kwargs["subscribe_form"] = UserTrombiForm()
         else:
             kwargs["trombi"] = self.request.user.trombi_user.trombi
@@ -317,7 +338,7 @@ class UserTrombiToolsView(QuickNotifMixin, TrombiTabsMixin, TemplateView):
         return kwargs
 
 
-class UserTrombiEditPicturesView(TrombiTabsMixin, UpdateView):
+class UserTrombiEditPicturesView(TrombiTabsMixin, UserIsInATrombiMixin, UpdateView):
     model = TrombiUser
     fields = ["profile_pict", "scrub_pict"]
     template_name = "core/edit.jinja"
@@ -330,7 +351,9 @@ class UserTrombiEditPicturesView(TrombiTabsMixin, UpdateView):
         return reverse("trombi:user_tools") + "?qn_success"
 
 
-class UserTrombiEditProfileView(QuickNotifMixin, TrombiTabsMixin, UpdateView):
+class UserTrombiEditProfileView(
+    QuickNotifMixin, TrombiTabsMixin, UserIsInATrombiMixin, UpdateView
+):
     model = User
     form_class = modelform_factory(
         User,
@@ -358,7 +381,7 @@ class UserTrombiEditProfileView(QuickNotifMixin, TrombiTabsMixin, UpdateView):
         return reverse("trombi:user_tools") + "?qn_success"
 
 
-class UserTrombiResetClubMembershipsView(RedirectView):
+class UserTrombiResetClubMembershipsView(UserIsInATrombiMixin, RedirectView):
     permanent = False
 
     def get(self, request, *args, **kwargs):