diff --git a/issue/middleware.py b/issue/middleware.py
index bbc6d9a..fa04f94 100644
--- a/issue/middleware.py
+++ b/issue/middleware.py
@@ -26,30 +26,28 @@ class ProjectMiddleware:
                 " 'django.contrib.auth.middleware.AuthenticationMiddleware'"
                 " before the ProjectMiddleware class.")
 
-        user = None
-        if request.user.is_authenticated():
-            user = User.objects.get(username=request.user)
-
-        if user and user.is_staff:
+        if request.user.is_authenticated() and request.user.is_staff:
             projects = Project.objects.all()
         else:
             query = Q(public=True)
-            if user:
+            if request.user.is_authenticated():
                 # access granted through a team
-                teams = user.teams.values_list('name')
+                teams = request.user.teams.values_list('name')
                 query |= Q(permissions__grantee_type=PermModel.GRANTEE_TEAM,
-                        permissions__grantee_name__in=teams)
+                           permissions__grantee_name__in=teams)
                 # access granted through a group
-                groups = user.groups.values_list('name')
+                groups = request.user.groups.values_list('name')
                 query |= Q(permissions__grantee_type=PermModel.GRANTEE_GROUP,
-                        permissions__grantee_name__in=groups)
+                           permissions__grantee_name__in=groups)
                 # access granted by specific permission
                 query |= Q(permissions__grantee_type=PermModel.GRANTEE_USER,
-                        permissions__grantee_name=user.username)
+                           permissions__grantee_name=request.user.username)
             projects = Project.objects.filter(query).distinct()
+
         request.projects = projects
 
         project = view_kwargs.get('project')
+
         if not project:
             return
         try:
@@ -59,5 +57,6 @@ class ProjectMiddleware:
                 raise PermissionDenied()
             else:
                 return login_required(view)(request, *view_args, **view_kwargs)
+
         view_kwargs['project'] = project
         request.project = project