diff --git a/src/pretix/helpers/filenames.py b/src/pretix/helpers/filenames.py
new file mode 100644
index 0000000000..637a439627
--- /dev/null
+++ b/src/pretix/helpers/filenames.py
@@ -0,0 +1,28 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+import re
+
+from text_unidecode import unidecode
+
+
+def safe_for_filename(val):
+    return re.sub('[^a-zA-Z0-9-_. ]+', '_', unidecode(val))
diff --git a/src/pretix/plugins/checkinlists/exporters.py b/src/pretix/plugins/checkinlists/exporters.py
index df4a45dae4..03b1c9627f 100644
--- a/src/pretix/plugins/checkinlists/exporters.py
+++ b/src/pretix/plugins/checkinlists/exporters.py
@@ -62,6 +62,7 @@ from pretix.base.timeframes import (
     resolve_timeframe_to_datetime_start_inclusive_end_exclusive,
 )
 from pretix.control.forms.widgets import Select2
+from pretix.helpers.filenames import safe_for_filename
 from pretix.helpers.templatetags.jsonfield import JSONExtract
 from pretix.plugins.reports.exporters import ReportlabExportMixin
 
@@ -435,7 +436,7 @@ class CSVCheckinList(CheckInListMixin, ListExporter):
         return self._fields
 
     def iterate_list(self, form_data):
-        cl = self.event.checkin_lists.get(pk=form_data['list'])
+        self.cl = cl = self.event.checkin_lists.get(pk=form_data['list'])
 
         questions = list(Question.objects.filter(event=self.event, id__in=form_data['questions']))
 
@@ -612,7 +613,7 @@ class CSVCheckinList(CheckInListMixin, ListExporter):
             yield row
 
     def get_filename(self):
-        return '{}_checkin'.format(self.event.slug)
+        return '{}_checkin_{}'.format(self.event.slug, safe_for_filename(self.cl.name))
 
 
 class CheckinLogList(ListExporter):