diff --git a/plot.py b/plot.py
index 1763a76..326b3c4 100644
--- a/plot.py
+++ b/plot.py
@@ -152,7 +152,7 @@ data_second_vaccination = calculate_vaccination_data(impfungen['Zweitimpfung'])
 # Stand aus offiziellen Angaben auslesen
 stand = rki_file['Erläuterung'].iloc[1][0]
 
-stand_regex = re.compile('^Datenstand: (\d\d.\d\d.\d\d\d\d, \d*\d:\d\d) Uhr$')
+stand_regex = re.compile('^Datenstand: (\d\d.\d\d.\d\d\d\d, \d?\d:\d\d) Uhr$')
 m = stand_regex.match(stand)
 stand_date = datetime.datetime.strptime(m.groups()[0], '%d.%m.%Y, %H:%M')
 print_stand = stand_date.isoformat()