diff --git a/parsers/logbooks.py b/parsers/logbooks.py
index bcd81b3..47091cf 100644
--- a/parsers/logbooks.py
+++ b/parsers/logbooks.py
@@ -182,7 +182,7 @@ def ParseDate(tripdate, year):
                 message = f" ! - Bad date (year) in logbook: {tripdate} - {year}"
                 DataIssue.objects.create(parser='logbooks', message=message)
                 logdataissues["tripdate"]=message
-                return datetime.date('1970', '01', '01')
+                return datetime.date(1970, 1, 1)
             else:
                 year, month, day = int(mdatestandard.group(1)), int(mdatestandard.group(2)), int(mdatestandard.group(3))
         elif mdategoof:
@@ -190,7 +190,7 @@ def ParseDate(tripdate, year):
                 message = " ! - Bad date mdategoof.group(3) in logbook: " + tripdate + " - " + mdategoof.group(3)
                 DataIssue.objects.create(parser='logbooks', message=message)
                 logdataissues["tripdate"]=message
-                return date('1970', '01', '01')
+                return datetime.date(1970, 1, 1)
             else:
                 yadd = int(year[:2]) * 100
                 day, month, year = int(mdategoof.group(1)), int(mdategoof.group(2)), int(mdategoof.group(4)) + yadd
@@ -204,7 +204,7 @@ def ParseDate(tripdate, year):
         message = f" ! - Failed to parse date in logbook: {tripdate} - {year}"
         DataIssue.objects.create(parser='logbooks', message=message)
         logdataissues["tripdate"]=message
-        return date('1970', '01', '01')
+        return datetime.date(1970, 1, 1)
 
 # (2006 - not any more), 2008 - 2009
 def Parselogwikitxt(year, expedition, txt):