diff --git a/src/DateHandler/_DateParser.py b/src/DateHandler/_DateParser.py
index e51c4734e..9d96586ac 100644
--- a/src/DateHandler/_DateParser.py
+++ b/src/DateHandler/_DateParser.py
@@ -585,7 +585,7 @@ class DateParser(object):
             match = self._calny_iso.match(text)
             if match:
                 cal = self.calendar_to_int[match.group(2).lower()]
-                newyear = tuple(map(int, match.group(3).split("-"))
+                newyear = tuple(map(int, match.group(3).split("-")))
                 text = match.group(1) + match.group(4)
         return (text, cal, newyear)
 
@@ -602,7 +602,7 @@ class DateParser(object):
         else:
             match = self._ny_iso.match(text)
             if match:
-                newyear = tuple(map(int, match.group(2).split("-"))
+                newyear = tuple(map(int, match.group(2).split("-")))
                 text = match.group(1) + match.group(3)
         return (text, newyear)