diff --git a/GTG/core/tasks.py b/GTG/core/tasks.py
index 60fad3d7c..1167bbca1 100644
--- a/GTG/core/tasks.py
+++ b/GTG/core/tasks.py
@@ -564,7 +564,7 @@ def is_recurring(self) -> bool:
     @GObject.Property(type=bool, default=False)
     def has_date_due(self) -> bool:
         if not self._has_date_due and self.parent:
-            return self.parent._has_date_due
+            return self.parent.has_date_due
         else:
             return self._has_date_due