diff --git a/hc/api/models.py b/hc/api/models.py
index b604e78a..3b465447 100644
--- a/hc/api/models.py
+++ b/hc/api/models.py
@@ -170,9 +170,8 @@ class Check(models.Model):
         return "up"
 
     def assign_all_channels(self):
-        if self.user:
-            channels = Channel.objects.filter(user=self.user)
-            self.channel_set.add(*channels)
+        channels = Channel.objects.filter(project=self.project)
+        self.channel_set.add(*channels)
 
     def tags_list(self):
         return [t.strip() for t in self.tags.split(" ") if t.strip()]
@@ -293,7 +292,7 @@ class Channel(models.Model):
         }
 
     def assign_all_checks(self):
-        checks = Check.objects.filter(user=self.user)
+        checks = Check.objects.filter(project=self.project)
         self.checks.add(*checks)
 
     def make_token(self):
diff --git a/hc/api/transports.py b/hc/api/transports.py
index 29421de6..ce39708c 100644
--- a/hc/api/transports.py
+++ b/hc/api/transports.py
@@ -374,7 +374,7 @@ class Sms(HttpTransport):
         return check.status != "down"
 
     def notify(self, check):
-        profile = Profile.objects.for_user(self.channel.user)
+        profile = Profile.objects.for_user(self.channel.project.owner)
         if not profile.authorize_sms():
             return "Monthly SMS limit exceeded"
 
diff --git a/hc/front/views.py b/hc/front/views.py
index 2a4a55ec..d05f3de2 100644
--- a/hc/front/views.py
+++ b/hc/front/views.py
@@ -148,7 +148,7 @@ def status(request, username):
     if not _has_access(request, username):
         raise Http404("not found")
 
-    checks = list(Check.objects.filter(user__username=username))
+    checks = list(Check.objects.filter(project__owner__username=username))
 
     details = []
     for check in checks: