diff --git a/aleksis/apps/alsijil/locale/de_DE/LC_MESSAGES/django.po b/aleksis/apps/alsijil/locale/de_DE/LC_MESSAGES/django.po
index e7d4526046014d7d7055ab8d94f20dc42e81a242..0218ac55ccbd0ef475fd903b3d68d34330880aa8 100644
--- a/aleksis/apps/alsijil/locale/de_DE/LC_MESSAGES/django.po
+++ b/aleksis/apps/alsijil/locale/de_DE/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-08-21 12:39+0200\n"
-"PO-Revision-Date: 2020-08-21 14:02+0000\n"
+"PO-Revision-Date: 2020-09-06 17:48+0000\n"
 "Last-Translator: Jonathan Weth <teckids@jonathanweth.de>\n"
 "Language-Team: German <https://translate.edugit.org/projects/aleksis/"
 "aleksis-app-alsijil/de/>\n"
@@ -302,7 +302,7 @@ msgstr "Statistiken zu Fehlzeiten, Verspätungen und Bemerkungen"
 #: templates/alsijil/class_register/person.html:60
 #: templates/alsijil/print/full_register.html:269
 msgid "Absences"
-msgstr "Absenzen"
+msgstr "Fehlstunden"
 
 #: templates/alsijil/class_register/person.html:64
 #: templates/alsijil/print/full_register.html:274
diff --git a/aleksis/apps/alsijil/model_extensions.py b/aleksis/apps/alsijil/model_extensions.py
index 4c5872aa8e3cbe73cd06b48e99cb75392ff5ea19..a88f042a04af5071e64a0da7ef3ffc7bf399dcc5 100644
--- a/aleksis/apps/alsijil/model_extensions.py
+++ b/aleksis/apps/alsijil/model_extensions.py
@@ -50,7 +50,7 @@ def mark_absent(
     # Create and update all personal notes for the discovered lesson periods
     for lesson_period in lesson_periods:
         sub = lesson_period.get_substitution()
-        if sub and sub.is_cancelled:
+        if sub and sub.cancelled:
             continue
 
         with reversion.create_revision():