diff --git a/submissions/utils.py b/submissions/utils.py
index 36c315eb0f804c224c32d3224ba3ad8ea98cbc03..8eb67fc8ad775e072c97c5c7c0ba36c976cf84d6 100644
--- a/submissions/utils.py
+++ b/submissions/utils.py
@@ -72,7 +72,7 @@ class SubmissionUtils(object):
                       '\n\nhas successfully passed the pre-screening stage. '
                       '\n\nA Submission Page has been activated at '
                       'https://scipost.org/submission/' + str(cls.assignment.submission.id) +
-                      'and a refereeing round has been started, with deadline '
+                      ' and a refereeing round has been started, with deadline '
                       'currently set at ' + datetime.datetime.strftime(cls.assignment.submission.reporting_deadline, "%Y-%m-%d") +
                       '. '
                       '\n\nWe thank you very much for your contribution.'
diff --git a/submissions/views.py b/submissions/views.py
index 486b8b6162d676e62dcb141fa1785c16f8b8a656..86964e9c5cce590c070f64aae2c18e427e3c8c7f 100644
--- a/submissions/views.py
+++ b/submissions/views.py
@@ -235,10 +235,14 @@ def submission_detail(request, submission_id):
     except Comment.DoesNotExist:
         author_replies = ()
     # To check in template whether the user can submit a report:
-    is_author = request.user.contributor in submission.authors.all()
-    is_author_unchecked = (not is_author
-                           and not (request.user.contributor in submission.authors_false_claims.all())
-                           and (request.user.last_name in submission.author_list))
+    try:
+        is_author = request.user.contributor in submission.authors.all()
+        is_author_unchecked = (not is_author
+                               and not (request.user.contributor in submission.authors_false_claims.all())
+                               and (request.user.last_name in submission.author_list))
+    except AttributeError:
+        is_author = False
+        is_author_unchecked = False
     context = {'submission': submission, 'comments': comments.filter(status__gte=1, is_author_reply=False).order_by('-date_submitted'), 
                'invited_reports': reports.filter(status__gte=1, invited=True), 
                'contributed_reports': reports.filter(status__gte=1, invited=False),