diff --git a/conflicts/management/commands/update_coi_via_arxiv.py b/conflicts/management/commands/update_coi_via_arxiv.py
index 288a63e4ad5d9ee8f810d3bf96e28f371ca7a2b4..9c49692a6fb5d010e89ffab5045871e6630c8f0b 100644
--- a/conflicts/management/commands/update_coi_via_arxiv.py
+++ b/conflicts/management/commands/update_coi_via_arxiv.py
@@ -35,15 +35,13 @@ class Command(BaseCommand):
             # Get all possibly relevant Profiles
             author_str_list = [a.split()[-1] for a in sub.author_list.split(',')]
             if 'entries' in sub.metadata:
-                sub.metadata['entries'][0]['authors']
-                # last_names = []
                 author_str_list += [
                     a['name'].split()[-1] for a in sub.metadata['entries'][0]['authors']]
-                author_str_list = set(author_str_list)  # Distinct operator
+            author_str_list = set(author_str_list)  # Distinct operator
             author_profiles = Profile.objects.filter(
                 Q(contributor__in=sub.authors.all()) |
                 Q(last_name__in=author_str_list)).distinct()
 
             n_new_conflicts += caller.compare(author_profiles, fellow_profiles, submission=sub)
             Submission.objects.filter(id=sub.id).update(needs_conflicts_update=False)
-        return n_new_conflicts
+        return str(n_new_conflicts)
diff --git a/submissions/admin.py b/submissions/admin.py
index 3d27be9bce38695553eadfe5f0e549f27b2eaf2a..ddf6b838a5e32fa1101a8ea86780d8625bca0841 100644
--- a/submissions/admin.py
+++ b/submissions/admin.py
@@ -48,7 +48,7 @@ class SubmissionAdminForm(forms.ModelForm):
 class SubmissionAdmin(GuardedModelAdmin):
     date_hierarchy = 'submission_date'
     form = SubmissionAdminForm
-    list_display = ('title', 'author_list', 'submitted_to',
+    list_display = ('title', 'author_list', 'preprint', 'submitted_to',
                     'status', 'visible_public', 'visible_pool', 'refereeing_cycle',
                     'submission_date', 'publication')
     list_filter = ('status', 'discipline', 'submission_type', 'submitted_to')