diff --git a/django_lostplaces/lostplaces/forms.py b/django_lostplaces/lostplaces/forms.py
index b7063ae..7cd51e3 100644
--- a/django_lostplaces/lostplaces/forms.py
+++ b/django_lostplaces/lostplaces/forms.py
@@ -29,7 +29,7 @@ class ExplorerCreationForm(UserCreationForm):
             return False
 
         if not fetched_voucher.valid:
-            self.add_error('voucher', 'Expired voucher')
+            self.add_error('voucher', _('Expired voucher'))
             return False
 
         fetched_voucher.delete()
diff --git a/django_lostplaces/lostplaces/locale/de/LC_MESSAGES/django.po b/django_lostplaces/lostplaces/locale/de/LC_MESSAGES/django.po
index 3d6a6c1..f840b44 100644
--- a/django_lostplaces/lostplaces/locale/de/LC_MESSAGES/django.po
+++ b/django_lostplaces/lostplaces/locale/de/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-10-11 02:14+0200\n"
+"POT-Creation-Date: 2020-10-11 07:13+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Commander1024 <commander@commander1024.de>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -30,23 +30,23 @@ msgstr "Ungültiger Voucher"
 msgid "Expired voucher"
 msgstr "Abgelaufener Voucher"
 
-#: models/abstract_models.py:28
+#: models/abstract_models.py:29
 msgid "Name"
 msgstr "Name"
 
-#: models/abstract_models.py:35
+#: models/abstract_models.py:36
 msgid "Latitude"
 msgstr "Breitengrad"
 
-#: models/abstract_models.py:36
+#: models/abstract_models.py:37
 msgid "Latitude in decimal format: e. g. 41.40338"
 msgstr "Breitengrad in dezimaler Form: z. B. 51.95021"
 
-#: models/abstract_models.py:43
+#: models/abstract_models.py:44
 msgid "Longitude"
 msgstr "Längengrad"
 
-#: models/abstract_models.py:44
+#: models/abstract_models.py:45
 msgid "Longitude in decimal format: e. g. 2.17403"
 msgstr "Breitengrad in dezimaler Form: z. B. 7.4840155"